TDMS Study 05185-04 Pathology Tables
NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 CORE ANIMALS Facility: I. I. T. Research Institute Chemical CAS #: 542-56-3 Lock Date: 08/20/92 Cage Range: All Reasons For Removal: 25022 Accidently Killed 25019 Moribund Sacrifice 25020 Natural Death 25021 Terminal Sacrifice Removal Date Range: All Treatment Groups: Include All Note: Animals arranged according to CID number Page 1 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 5| 7| 6| 7| 0| 7| 6| 5| 7| 7| DAY ON TEST | 3| 0| 2| 7| 3| 2| 3| 8| 2| 2| 2| 3| 3| 9| 9| 8| 3| 1| 2| 7| 3| 9| 8| 2| 2| | 1| 9| 9| 2| 1| 9| 0| 9| 9| 9| 9| 1| 1| 0| 1| 5| 1| 3| 9| 1| 0| 1| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + M + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + A + + + + + + + + + + + + + + + + + + M + +| Schwannoma Malignant, Metastatic, | | Skin | | __________________________________________________________________________| Intestine Large, Cecum | + + + A + + + A + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + A + + + + + + + A + + + A + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + A + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X | Hepatocellular Carcinoma, Multiple | | Hepatocellular Adenoma | X X X X| Hepatocholangiocarcinoma | X | Histiocytic Sarcoma | | Lymphoma Malignant Mixed | X X X X | __________________________________________________________________________| Mesentery | + + +| Hepatocellular Carcinoma, Metastatic,| | Liver | X | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocholangiocarcinoma, Metastatic,| | Liver | X | Lymphoma Malignant Mixed | X X X | Schwannoma Malignant, Metastatic, | | Skin | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocholangiocarcinoma, Metastatic,| | Liver | X | Lymphoma Malignant Mixed | X X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + M + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X X | Capsule, Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 5| 7| 6| 7| 0| 7| 6| 5| 7| 7| DAY ON TEST | 3| 0| 2| 7| 3| 2| 3| 8| 2| 2| 2| 3| 3| 9| 9| 8| 3| 1| 2| 7| 3| 9| 8| 2| 2| | 1| 9| 9| 2| 1| 9| 0| 9| 9| 9| 9| 1| 1| 0| 1| 5| 1| 3| 9| 1| 0| 1| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + M + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Islets, Pancreatic | + | __________________________________________________________________________| Parathyroid Gland | M + M + M M + + M + + M + M M M M + M + M + + M M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + M + + + + + + + + M| Pars Distalis, Adenoma | X X X X X X X X | Pars Intermedia, Adenoma | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + M + + + +| Cystadenoma | X | Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangioma | | Histiocytic Sarcoma | | Lymphoma Malignant Mixed | X | Polyp Stromal | X | Sarcoma Stromal | X | __________________________________________________________________________| Vagina | | Histiocytic Sarcoma | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node | + + + | Inguinal, Histiocytic Sarcoma | | Lumbar, Histiocytic Sarcoma | | Lumbar, Lymphoma Malignant Mixed | X X | Pancreatic, Hepatocholangiocarcinoma,| | Metastatic, Liver | X | Renal, Histiocytic Sarcoma | | Renal, Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Lymph Node, Bronchial | M + + M + + M M + + M + + M M M + + + + M M + M M| Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | | Lymphoma Malignant Mixed | X X X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X X X | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 5| 7| 6| 7| 0| 7| 6| 5| 7| 7| DAY ON TEST | 3| 0| 2| 7| 3| 2| 3| 8| 2| 2| 2| 3| 3| 9| 9| 8| 3| 1| 2| 7| 3| 9| 8| 2| 2| | 1| 9| 9| 2| 1| 9| 0| 9| 9| 9| 9| 1| 1| 0| 1| 5| 1| 3| 9| 1| 0| 1| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | | Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Histiocytic Sarcoma | | Lymphoma Malignant Mixed | X X X X | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + M + + + M + + + +| Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | X X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + M + + + + + M + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Hemangioma | | Subcutaneous Tissue, Sarcoma | X | Subcutaneous Tissue, Schwannoma | | Malignant | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Schwannoma Malignant, Metastatic, | | Skin | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X | Alveolar/Bronchiolar Carcinoma | X | Hepatocellular Carcinoma, Metastatic,| | Liver | X | Hepatocholangiocarcinoma, Metastatic,| | Liver | X | Lymphoma Malignant Mixed | X X X | Mediastinum, | | Hepatocholangiocarcinoma, | | Metastatic, Liver | X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 5| 7| 6| 7| 0| 7| 6| 5| 7| 7| DAY ON TEST | 3| 0| 2| 7| 3| 2| 3| 8| 2| 2| 2| 3| 3| 9| 9| 8| 3| 1| 2| 7| 3| 9| 8| 2| 2| | 1| 9| 9| 2| 1| 9| 0| 9| 9| 9| 9| 1| 1| 0| 1| 5| 1| 3| 9| 1| 0| 1| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X X X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Histiocytic | | Lymphoma Malignant Mixed | X X X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | | Lymphoma Malignant Histiocytic | | Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | X X X X | _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 6| 7| DAY ON TEST | 3| 3| 2| 3| 7| 0| 2| 3| 3| 3| 2| 3| 3| 3| 3| 2| 3| 9| 3| 4| 2| 3| 9| 4| 3| | 0| 1| 9| 8| 6| 9| 9| 0| 0| 5| 9| 0| 0| 0| 1| 9| 1| 5| 0| 9| 9| 0| 6| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + A + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + A +| Schwannoma Malignant, Metastatic, | | Skin | X | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + A +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + A + + + + + + + + + + + A + + + + A A +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + + A + + + + + + + M + + + + A A +| __________________________________________________________________________| Intestine Small, Ileum | + + + + A + + + + A + + + + + + + A + + + + A A +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X | Hepatocellular Carcinoma, Multiple | X | Hepatocellular Adenoma | X X | Hepatocholangiocarcinoma | | Histiocytic Sarcoma | X X | Lymphoma Malignant Mixed | | __________________________________________________________________________| Mesentery | + + + + | Hepatocellular Carcinoma, Metastatic,| | Liver | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocholangiocarcinoma, Metastatic,| | Liver | | Lymphoma Malignant Mixed | | Schwannoma Malignant, Metastatic, | | Skin | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocholangiocarcinoma, Metastatic,| | Liver | | Lymphoma Malignant Mixed | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | Capsule, Lymphoma Malignant Mixed | | _____________________________________________________________________________________________________________________| Page 6 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 6| 7| DAY ON TEST | 3| 3| 2| 3| 7| 0| 2| 3| 3| 3| 2| 3| 3| 3| 3| 2| 3| 9| 3| 4| 2| 3| 9| 4| 3| | 0| 1| 9| 8| 6| 9| 9| 0| 0| 5| 9| 0| 0| 0| 1| 9| 1| 5| 0| 9| 9| 0| 6| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + M + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Islets, Pancreatic | + | __________________________________________________________________________| Parathyroid Gland | M M M M M + + + M M + M + + M M M M M + M + M + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Pars Distalis, Adenoma | X X X X | Pars Intermedia, Adenoma | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + M + + +| Cystadenoma | | Lymphoma Malignant Mixed | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangioma | X | Histiocytic Sarcoma | X X | Lymphoma Malignant Mixed | | Polyp Stromal | X X | Sarcoma Stromal | | __________________________________________________________________________| Vagina | + | Histiocytic Sarcoma | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node | + | Inguinal, Histiocytic Sarcoma | X | Lumbar, Histiocytic Sarcoma | X | Lumbar, Lymphoma Malignant Mixed | | Pancreatic, Hepatocholangiocarcinoma,| | Metastatic, Liver | | Renal, Histiocytic Sarcoma | X | Renal, Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Bronchial | + M + M M M + + + M + M M M M M M M M M M M M M M| Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Mandibular | + + + M + + + + + + + + M + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| Page 7 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 6| 7| DAY ON TEST | 3| 3| 2| 3| 7| 0| 2| 3| 3| 3| 2| 3| 3| 3| 3| 2| 3| 9| 3| 4| 2| 3| 9| 4| 3| | 0| 1| 9| 8| 6| 9| 9| 0| 0| 5| 9| 0| 0| 0| 1| 9| 1| 5| 0| 9| 9| 0| 6| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + M M + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant Mixed | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | Histiocytic Sarcoma | X | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + M + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Hemangioma | X | Subcutaneous Tissue, Sarcoma | | Subcutaneous Tissue, Schwannoma | | Malignant | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Schwannoma Malignant, Metastatic, | | Skin | X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X | Alveolar/Bronchiolar Carcinoma | X | Hepatocellular Carcinoma, Metastatic,| | Liver | | Hepatocholangiocarcinoma, Metastatic,| | Liver | | Lymphoma Malignant Mixed | | Mediastinum, | | Hepatocholangiocarcinoma, | | Metastatic, Liver | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| Page 8 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 6| 6| 7| DAY ON TEST | 3| 3| 2| 3| 7| 0| 2| 3| 3| 3| 2| 3| 3| 3| 3| 2| 3| 9| 3| 4| 2| 3| 9| 4| 3| | 0| 1| 9| 8| 6| 9| 9| 0| 0| 5| 9| 0| 0| 0| 1| 9| 1| 5| 0| 9| 9| 0| 6| 3| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + M A + +| Lymphoma Malignant Histiocytic | X | Lymphoma Malignant Mixed | | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X X | Lymphoma Malignant Histiocytic | X | Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 0| | | DAY ON TEST | 9| | | | 1| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 1| | A | CONTROL | 1| | L | | 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + | 51 | __________________________________________________________________________|____________| Gallbladder | A | 46 | __________________________________________________________________________|____________| Intestine Large, Colon | + | 51 | __________________________________________________________________________|____________| Intestine Large, Rectum | + | 48 | Schwannoma Malignant, Metastatic, | | | Skin | | 1 | __________________________________________________________________________|____________| Intestine Large, Cecum | + | 48 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A | 42 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A | 44 | __________________________________________________________________________|____________| Intestine Small, Ileum | + | 44 | __________________________________________________________________________|____________| Liver | + | 51 | Hepatocellular Carcinoma | | 3 | Hepatocellular Carcinoma, Multiple | | 1 | Hepatocellular Adenoma | | 6 | Hepatocholangiocarcinoma | | 1 | Histiocytic Sarcoma | | 2 | Lymphoma Malignant Mixed | | 4 | __________________________________________________________________________|____________| Mesentery | | 7 | Hepatocellular Carcinoma, Metastatic,| | | Liver | | 1 | __________________________________________________________________________|____________| Pancreas | + | 51 | Hepatocholangiocarcinoma, Metastatic,| | | Liver | | 1 | Lymphoma Malignant Mixed | | 3 | Schwannoma Malignant, Metastatic, | | | Skin | | 1 | __________________________________________________________________________|____________| Salivary Glands | + | 51 | Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________|____________| Stomach, Forestomach | + | 51 | __________________________________________________________________________|____________| Stomach, Glandular | + | 51 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Tooth | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + | 51 | Hepatocholangiocarcinoma, Metastatic,| | | Liver | | 1 | Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 10 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 0| | | DAY ON TEST | 9| | | | 1| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 1| | A | CONTROL | 1| | L | | 5| | | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + | 50 | Lymphoma Malignant Mixed | | 2 | Capsule, Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Adrenal Medulla | + | 47 | Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________|____________| Islets, Pancreatic | | 2 | __________________________________________________________________________|____________| Parathyroid Gland | + | 21 | __________________________________________________________________________|____________| Pituitary Gland | + | 48 | Pars Distalis, Adenoma | | 12 | Pars Intermedia, Adenoma | | 2 | __________________________________________________________________________|____________| Thyroid Gland | + | 51 | Follicular Cell, Adenoma | | 4 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + | 49 | Cystadenoma | | 1 | Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________|____________| Uterus | + | 51 | Hemangioma | | 1 | Histiocytic Sarcoma | | 2 | Lymphoma Malignant Mixed | | 1 | Polyp Stromal | | 3 | Sarcoma Stromal | | 1 | __________________________________________________________________________|____________| Vagina | | 1 | Histiocytic Sarcoma | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + | 51 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node | | 4 | Inguinal, Histiocytic Sarcoma | | 1 | Lumbar, Histiocytic Sarcoma | | 1 | Lumbar, Lymphoma Malignant Mixed | | 2 | Pancreatic, Hepatocholangiocarcinoma,| | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 11 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 0| | | DAY ON TEST | 9| | | | 1| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 1| | A | CONTROL | 1| | L | | 5| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Metastatic, Liver | | 1 | Renal, Histiocytic Sarcoma | | 1 | Renal, Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + | 20 | Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + | 49 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Mixed | | 3 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 51 | Lymphoma Malignant Mixed | | 4 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + | 49 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________|____________| Spleen | + | 51 | Hemangiosarcoma | | 1 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Mixed | | 5 | __________________________________________________________________________|____________| Thymus | M | 47 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 4 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + | 49 | __________________________________________________________________________|____________| Skin | + | 51 | Subcutaneous Tissue, Hemangioma | | 1 | Subcutaneous Tissue, Sarcoma | | 1 | Subcutaneous Tissue, Schwannoma | | | Malignant | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + | 51 | Schwannoma Malignant, Metastatic, | | | Skin | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | M | 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + | 51 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 12 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 0| | | DAY ON TEST | 9| | | | 1| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 1| | A | CONTROL | 1| | L | | 5| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lung | + | 51 | Alveolar/Bronchiolar Adenoma | | 4 | Alveolar/Bronchiolar Carcinoma | | 2 | Hepatocellular Carcinoma, Metastatic,| | | Liver | | 1 | Hepatocholangiocarcinoma, Metastatic,| | | Liver | | 1 | Lymphoma Malignant Mixed | | 3 | Mediastinum, | | | Hepatocholangiocarcinoma, | | | Metastatic, Liver | | 1 | __________________________________________________________________________|____________| Nose | + | 51 | __________________________________________________________________________|____________| Trachea | + | 51 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + | 51 | Lymphoma Malignant Mixed | | 3 | __________________________________________________________________________|____________| Urinary Bladder | + | 49 | Lymphoma Malignant Histiocytic | | 1 | Lymphoma Malignant Mixed | | 3 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + | 51 | Histiocytic Sarcoma | | 2 | Lymphoma Malignant Histiocytic | | 1 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 5 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 13 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 3| 3| 3| 2| 2| 3| 2| 2| 3| 0| 2| 3| 3| 1| 4| 2| 3| 2| 3| 3| 3| | 1| 9| 7| 0| 1| 1| 1| 9| 0| 1| 9| 8| 0| 7| 9| 0| 0| 4| 5| 9| 1| 9| 0| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 37.5 PPM | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Carcinoma | X | __________________________________________________________________________| Gallbladder | + + + + + + + + M + + + + + + + + + + + + + + M M| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + A + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X | Hepatocellular Adenoma | X X X X| Histiocytic Sarcoma | | Lymphoma Malignant Undifferentiated | | Cell Type | X X | __________________________________________________________________________| Mesentery | + + + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | Pheochromocytoma Malignant | | __________________________________________________________________________| Islets, Pancreatic | | Adenoma | | __________________________________________________________________________| Parathyroid Gland | + + M M + M M M + M + + + + M + + M M M + M + + +| __________________________________________________________________________| Pituitary Gland | + + M + + + + + + + + + + + + + + + + + M + + + +| Pars Distalis, Adenoma | X X X X X X X| _____________________________________________________________________________________________________________________| Page 14 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 3| 3| 3| 2| 2| 3| 2| 2| 3| 0| 2| 3| 3| 1| 4| 2| 3| 2| 3| 3| 3| | 1| 9| 7| 0| 1| 1| 1| 9| 0| 1| 9| 8| 0| 7| 9| 0| 0| 4| 5| 9| 1| 9| 0| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 37.5 PPM | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Pars Intermedia, Adenoma | X X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Deciduoma NOS | | Histiocytic Sarcoma | | Polyp Stromal | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Lymph Node | + + + + | Lumbar, Lymphoma Malignant | | Undifferentiated Cell Type | X | Renal, Lymphoma Malignant | | Undifferentiated Cell Type | X | __________________________________________________________________________| Lymph Node, Bronchial | + + M + + + + + + + + + M M + + M M M M + M + M +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Lymph Node, Mandibular | + + + M + + + + + + + M + + + + + + + + + + + M +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X X | __________________________________________________________________________| Lymph Node, Mediastinal | M + + M + + + + + + + + + + M M + + + + + + M + +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 15 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 3| 3| 3| 2| 2| 3| 2| 2| 3| 0| 2| 3| 3| 1| 4| 2| 3| 2| 3| 3| 3| | 1| 9| 7| 0| 1| 1| 1| 9| 0| 1| 9| 8| 0| 7| 9| 0| 0| 4| 5| 9| 1| 9| 0| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 37.5 PPM | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hemangiosarcoma | X | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X X | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Hemangiosarcoma | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangioma | X | __________________________________________________________________________| Skeletal Muscle | + | Hemangiosarcoma | | Osteosarcoma | X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + M + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X | Alveolar/Bronchiolar Adenoma, | | Multiple | X X | Alveolar/Bronchiolar Carcinoma | X | Hepatocellular Carcinoma, Metastatic,| | Liver | X | Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X X | Osteosarcoma, Metastatic, Skeletal | | Muscle | X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | Adenoma | X | _____________________________________________________________________________________________________________________| Page 16 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 2| 9| 3| 3| 3| 3| 2| 2| 3| 2| 2| 3| 0| 2| 3| 3| 1| 4| 2| 3| 2| 3| 3| 3| | 1| 9| 7| 0| 1| 1| 1| 9| 0| 1| 9| 8| 0| 7| 9| 0| 0| 4| 5| 9| 1| 9| 0| 1| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 37.5 PPM | 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | Osteosarcoma, Metastatic, Skeletal | | Muscle | X | __________________________________________________________________________| Urinary Bladder | + + M + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X X | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 2| 2| 3| 2| 2| 3| 3| 2| 3| 8| 1| 2| 3| 3| 3| 3| 2| 2| 3| 2| 2| 2| | 9| 9| 0| 9| 9| 1| 9| 9| 1| 0| 9| 0| 6| 2| 9| 0| 0| 0| 1| 9| 9| 0| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 37.5 PPM | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + M + + + + + + + + + + + + + + + +| Squamous Cell Carcinoma | | __________________________________________________________________________| Gallbladder | + + + + + + + + + + + M + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + M + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X | Hepatocellular Adenoma | X X X X X X | Histiocytic Sarcoma | X | Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | | Pheochromocytoma Malignant | X | __________________________________________________________________________| Islets, Pancreatic | + + | Adenoma | X | __________________________________________________________________________| Parathyroid Gland | M + M + M + + + + + + + M M + M M + + + M M M M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + I + + + + + + +| Pars Distalis, Adenoma | X X X X X X X X X X X X | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 2| 2| 3| 2| 2| 3| 3| 2| 3| 8| 1| 2| 3| 3| 3| 3| 2| 2| 3| 2| 2| 2| | 9| 9| 0| 9| 9| 1| 9| 9| 1| 0| 9| 0| 6| 2| 9| 0| 0| 0| 1| 9| 9| 0| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 37.5 PPM | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Pars Intermedia, Adenoma | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + | __________________________________________________________________________| Ovary | + + + + + M + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Deciduoma NOS | X | Histiocytic Sarcoma | X X | Polyp Stromal | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Lymph Node | + | Lumbar, Lymphoma Malignant | | Undifferentiated Cell Type | | Renal, Lymphoma Malignant | | Undifferentiated Cell Type | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + M M + M + M + + M + + + M M| Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + M + + + M + + + + + + + + + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 2| 2| 3| 2| 2| 3| 3| 2| 3| 8| 1| 2| 3| 3| 3| 3| 2| 2| 3| 2| 2| 2| | 9| 9| 0| 9| 9| 1| 9| 9| 1| 0| 9| 0| 6| 2| 9| 0| 0| 0| 1| 9| 9| 0| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 37.5 PPM | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Hemangiosarcoma | | Lymphoma Malignant Mixed | X X | Lymphoma Malignant Undifferentiated | | Cell Type | | __________________________________________________________________________| Thymus | + + + + + M + + + + + + M M + + + + + + + M + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Hemangiosarcoma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangioma | | __________________________________________________________________________| Skeletal Muscle | + + | Hemangiosarcoma | X | Osteosarcoma | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + M + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X X X X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | | Alveolar/Bronchiolar Carcinoma | X | Hepatocellular Carcinoma, Metastatic,| | Liver | | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | Osteosarcoma, Metastatic, Skeletal | | Muscle | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | Adenoma | | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 2| 2| 3| 2| 2| 3| 3| 2| 3| 8| 1| 2| 3| 3| 3| 3| 2| 2| 3| 2| 2| 2| | 9| 9| 0| 9| 9| 1| 9| 9| 1| 0| 9| 0| 6| 2| 9| 0| 0| 0| 1| 9| 9| 0| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 37.5 PPM | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | | Osteosarcoma, Metastatic, Skeletal | | Muscle | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X X | Lymphoma Malignant Mixed | X X X | Lymphoma Malignant Undifferentiated | | Cell Type | | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 1| | | DAY ON TEST | 8| | | | 3| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 2| | A | 37.5 PPM | 4| | L | | 0| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + | 50 | Squamous Cell Carcinoma | | 1 | __________________________________________________________________________|____________| Gallbladder | + | 47 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + | 51 | __________________________________________________________________________|____________| Intestine Large, Rectum | + | 51 | __________________________________________________________________________|____________| Intestine Large, Cecum | A | 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A | 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | M | 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | A | 48 | __________________________________________________________________________|____________| Liver | + | 51 | Hepatocellular Carcinoma | | 4 | Hepatocellular Adenoma | | 10 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 2 | __________________________________________________________________________|____________| Mesentery | | 4 | __________________________________________________________________________|____________| Pancreas | + | 51 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Salivary Glands | + | 51 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Stomach, Forestomach | + | 51 | __________________________________________________________________________|____________| Stomach, Glandular | + | 51 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + | 51 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + | 51 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Adrenal Medulla | + | 49 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | Pheochromocytoma Malignant | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 22 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 1| | | DAY ON TEST | 8| | | | 3| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 2| | A | 37.5 PPM | 4| | L | | 0| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Islets, Pancreatic | | 2 | Adenoma | | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + | 29 | __________________________________________________________________________|____________| Pituitary Gland | + | 48 | Pars Distalis, Adenoma | | 19 | Pars Intermedia, Adenoma | | 2 | __________________________________________________________________________|____________| Thyroid Gland | + | 51 | Follicular Cell, Adenoma | | 3 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | | 1 | __________________________________________________________________________|____________| Ovary | + | 50 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Uterus | + | 51 | Deciduoma NOS | | 1 | Histiocytic Sarcoma | | 2 | Polyp Stromal | | 2 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + | 51 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node | | 5 | Lumbar, Lymphoma Malignant | | | Undifferentiated Cell Type | | 1 | Renal, Lymphoma Malignant | | | Undifferentiated Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | M | 34 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + | 48 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 23 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 1| | | DAY ON TEST | 8| | | | 3| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 2| | A | 37.5 PPM | 4| | L | | 0| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | A | 50 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 2 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + | 44 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 2 | __________________________________________________________________________|____________| Spleen | + | 51 | Hemangiosarcoma | | 1 | Lymphoma Malignant Mixed | | 3 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 2 | __________________________________________________________________________|____________| Thymus | + | 47 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + | 51 | __________________________________________________________________________|____________| Skin | + | 51 | Subcutaneous Tissue, Hemangiosarcoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + | 51 | Hemangioma | | 1 | __________________________________________________________________________|____________| Skeletal Muscle | | 3 | Hemangiosarcoma | | 1 | Osteosarcoma | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + | 51 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + | 49 | __________________________________________________________________________|____________| Lung | + | 51 | Alveolar/Bronchiolar Adenoma | | 12 | Alveolar/Bronchiolar Adenoma, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 24 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 1| | | DAY ON TEST | 8| | | | 3| | | _____________________________________________________________________________________________________________________| T (*) | | 0| | O | B6C3F1 MICE FEMALE | 0| | T | ANIMAL ID | 2| | A | 37.5 PPM | 4| | L | | 0| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Multiple | | 2 | Alveolar/Bronchiolar Carcinoma | | 2 | Hepatocellular Carcinoma, Metastatic,| | | Liver | | 1 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 2 | Osteosarcoma, Metastatic, Skeletal | | | Muscle | | 1 | __________________________________________________________________________|____________| Nose | + | 51 | __________________________________________________________________________|____________| Trachea | + | 51 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | Adenoma | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + | 51 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | Osteosarcoma, Metastatic, Skeletal | | | Muscle | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + | 50 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + | 51 | Histiocytic Sarcoma | | 2 | Lymphoma Malignant Mixed | | 4 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 2 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 25 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 3| 2| 3| 3| 6| 2| 1| 3| 3| 3| 2| 3| 2| 6| 3| 5| 3| 6| 2| 0| 3| 3| | 9| 9| 0| 1| 9| 4| 1| 0| 8| 9| 1| 0| 0| 9| 0| 9| 3| 0| 8| 0| 0| 9| 6| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + M + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + A + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + A + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X | Hepatocellular Adenoma | X X | Hepatocellular Adenoma, Multiple | X X | Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Mesentery | + | Lymphoma Malignant Lymphocytic | X | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 3| 2| 3| 3| 6| 2| 1| 3| 3| 3| 2| 3| 2| 6| 3| 5| 3| 6| 2| 0| 3| 3| | 9| 9| 0| 1| 9| 4| 1| 0| 8| 9| 1| 0| 0| 9| 0| 9| 3| 0| 8| 0| 0| 9| 6| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Tooth | | Odontoma | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | Pheochromocytoma Benign | X | __________________________________________________________________________| Islets, Pancreatic | + + + | __________________________________________________________________________| Parathyroid Gland | + + M M M + M M M + + + + + + + M + M + + + M + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Adenoma | X X X X X X X X| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + | __________________________________________________________________________| Ovary | + + + M + + + + + + + + + + + + + + + M + + + + +| Cystadenoma | X | Granulosa Cell Tumor Malignant | | Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Oviduct | + | Lymphoma Malignant Lymphocytic | X | __________________________________________________________________________| Uterus | + + + M + + + + + + + + + + + + + + + + + + + + +| Leiomyosarcoma | X | Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 3| 2| 3| 3| 6| 2| 1| 3| 3| 3| 2| 3| 2| 6| 3| 5| 3| 6| 2| 0| 3| 3| | 9| 9| 0| 1| 9| 4| 1| 0| 8| 9| 1| 0| 0| 9| 0| 9| 3| 0| 8| 0| 0| 9| 6| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Lymphoma Malignant Lymphocytic | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Lymph Node | + + + + | Iliac, Lymphoma Malignant Mixed | X | Inguinal, Lymphoma Malignant | | Undifferentiated Cell Type | X | Lumbar, Lymphoma Malignant Mixed | | Lumbar, Lymphoma Malignant | | Undifferentiated Cell Type | X | Renal, Lymphoma Malignant Mixed | X | Renal, Lymphoma Malignant | | Undifferentiated Cell Type | X | __________________________________________________________________________| Lymph Node, Bronchial | + M + + M + M + + M M + + + + + M + + + M M + M +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + M + + + + + + + + + + + M + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X X | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X X | _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 3| 2| 3| 3| 6| 2| 1| 3| 3| 3| 2| 3| 2| 6| 3| 5| 3| 6| 2| 0| 3| 3| | 9| 9| 0| 1| 9| 4| 1| 0| 8| 9| 1| 0| 0| 9| 0| 9| 3| 0| 8| 0| 0| 9| 6| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenocarcinoma | | Adenoma | | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Fibrosarcoma | X | Subcutaneous Tissue, Sarcoma | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | | Alveolar/Bronchiolar Adenoma | X X X| Alveolar/Bronchiolar Adenoma, | | Multiple | | Alveolar/Bronchiolar Carcinoma | X | Hepatocellular Carcinoma, Metastatic,| | Liver | X X | Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | Mediastinum, Hepatocellular | | Carcinoma, Metastatic, Liver | X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | Adenoma | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 4| 7| 4| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 7| 7| 7| DAY ON TEST | 2| 2| 3| 3| 2| 3| 3| 6| 2| 1| 3| 3| 3| 2| 3| 2| 6| 3| 5| 3| 6| 2| 0| 3| 3| | 9| 9| 0| 1| 9| 4| 1| 0| 8| 9| 1| 0| 0| 9| 0| 9| 3| 0| 8| 0| 0| 9| 6| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 75 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | | Lymphoma Malignant Undifferentiated | | Cell Type | X | __________________________________________________________________________| Urinary Bladder | + + + M + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X X | Lymphoma Malignant Undifferentiated | | Cell Type | X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X X X | Lymphoma Malignant Undifferentiated | | Cell Type | X | _____________________________________________________________________________________________________________________| Page 30 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 4| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 2| | DAY ON TEST | 3| 3| 3| 2| 3| 1| 3| 3| 3| 8| 3| 3| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 5| 1| | | 0| 6| 0| 9| 1| 5| 0| 0| 9| 5| 0| 1| 0| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 8| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 75 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | M + + + + A + + + + + + + M + + + + + + + + + + A| 45 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + + + +| 47 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma | | 2 | Hepatocellular Adenoma | | 2 | Hepatocellular Adenoma, Multiple | X X X | 5 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X X X | 5 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Mesentery | + + | 3 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | X | 2 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 31 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 4| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 2| | DAY ON TEST | 3| 3| 3| 2| 3| 1| 3| 3| 3| 8| 3| 3| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 5| 1| | | 0| 6| 0| 9| 1| 5| 0| 0| 9| 5| 0| 1| 0| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 8| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 75 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Tooth | + | 1 | Odontoma | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + M + + + + + + + + + + + + + + + + M| 45 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | Pheochromocytoma Benign | X | 2 | __________________________________________________________________________|____________| Islets, Pancreatic | | 3 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + + M M + + M + M M + M + + + + +| 33 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Adenoma | X X X X X X X X X X | 18 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Adenoma | X | 2 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | +| 2 | __________________________________________________________________________|____________| Ovary | M + + + + + + + + + + + + + + + + + + M + + + + +| 46 | Cystadenoma | X | 2 | Granulosa Cell Tumor Malignant | X| 1 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X | 2 | Lymphoma Malignant Undifferentiated | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 32 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 4| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 2| | DAY ON TEST | 3| 3| 3| 2| 3| 1| 3| 3| 3| 8| 3| 3| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 5| 1| | | 0| 6| 0| 9| 1| 5| 0| 0| 9| 5| 0| 1| 0| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 8| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 75 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Cell Type | | 1 | __________________________________________________________________________|____________| Oviduct | | 1 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leiomyosarcoma | | 1 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Vagina | | 1 | Lymphoma Malignant Lymphocytic | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | X X X | 3 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node | + + + +| 8 | Iliac, Lymphoma Malignant Mixed | | 1 | Inguinal, Lymphoma Malignant | | | Undifferentiated Cell Type | | 1 | Lumbar, Lymphoma Malignant Mixed | X X | 2 | Lumbar, Lymphoma Malignant | | | Undifferentiated Cell Type | | 1 | Renal, Lymphoma Malignant Mixed | X | 2 | Renal, Lymphoma Malignant | | | Undifferentiated Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + M M M + + + M M + + M + M + M + M| 32 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X | 2 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M + + M + +| 48 | Lymphoma Malignant Mixed | X X | 4 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + M + + + + + + + + +| 49 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X | 3 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 33 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 4| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 2| | DAY ON TEST | 3| 3| 3| 2| 3| 1| 3| 3| 3| 8| 3| 3| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 5| 1| | | 0| 6| 0| 9| 1| 5| 0| 0| 9| 5| 0| 1| 0| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 8| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 75 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + M + + + + + M + + + + + + +| 46 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X | 4 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X X X X | 7 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Thymus | + + + + + + M + + + + M + + + + + + + + + + + + +| 48 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X X | 5 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenocarcinoma | X | 1 | Adenoma | X | 1 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Subcutaneous Tissue, Fibrosarcoma | | 1 | Subcutaneous Tissue, Sarcoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X | 1 | Alveolar/Bronchiolar Adenoma | X X | 5 | Alveolar/Bronchiolar Adenoma, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 34 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 4| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 2| | DAY ON TEST | 3| 3| 3| 2| 3| 1| 3| 3| 3| 8| 3| 3| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 5| 1| | | 0| 6| 0| 9| 1| 5| 0| 0| 9| 5| 0| 1| 0| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 8| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 75 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Multiple | X | 1 | Alveolar/Bronchiolar Carcinoma | X | 2 | Hepatocellular Carcinoma, Metastatic,| | | Liver | | 2 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X | 2 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | Mediastinum, Hepatocellular | | | Carcinoma, Metastatic, Liver | | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + | 2 | Adenoma | X | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X X | 3 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + M + + + + + + + + + + + + + + + + +| 48 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X | 3 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X X X X X | 9 | Lymphoma Malignant Undifferentiated | | | Cell Type | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 35 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| DAY ON TEST | 2| 8| 2| 2| 3| 9| 2| 2| 3| 2| 3| 2| 2| 2| 2| 3| 2| 3| 2| 0| 8| 2| 3| 3| 9| | 9| 3| 9| 9| 0| 4| 9| 5| 0| 9| 0| 9| 9| 9| 4| 0| 9| 0| 9| 3| 5| 9| 1| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 150 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | M + + + + + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Gallbladder | + + + + + + + A + + + + + + + + + + + A A M + + +| Lymphoma Malignant Lymphocytic | X| __________________________________________________________________________| Intestine Large, Colon | + A + + + + + + + + + + + + + + + + + A A + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + A A + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + A + + + + + A + + + + + + + + + + + A A + + + A| __________________________________________________________________________| Intestine Small, Jejunum | + A + + + + + + + + + + + + + + + + + A + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Intestine Small, Ileum | + A + + + + + + + + + + + + + + + + + A A + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X | Hepatocellular Adenoma | X X | Hepatocellular Adenoma, Multiple | X | Histiocytic Sarcoma | X | Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Mesentery | + + | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + A + + + +| Lymphoma Malignant Lymphocytic | X| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + A + + + +| __________________________________________________________________________| Tooth | | Odontoma | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcapsular, Lymphoma Malignant Mixed| | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + +| Pheochromocytoma Benign | X X | __________________________________________________________________________| Islets, Pancreatic | + + + | __________________________________________________________________________| Parathyroid Gland | + M + + + + + + M + + M + + + + + + + + M M M + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + M + + + + + + + + + M + + + M + + +| Pars Distalis, Adenoma | X X X X X X X X X| _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| DAY ON TEST | 2| 8| 2| 2| 3| 9| 2| 2| 3| 2| 3| 2| 2| 2| 2| 3| 2| 3| 2| 0| 8| 2| 3| 3| 9| | 9| 3| 9| 9| 0| 4| 9| 5| 0| 9| 0| 9| 9| 9| 4| 0| 9| 0| 9| 3| 5| 9| 1| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 150 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + | __________________________________________________________________________| Ovary | + + + + + M + + + + + + + + + + + + + + + + + + +| Cystadenoma | X | Granulosa Cell Tumor Benign | X | Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | | Leiomyosarcoma | | Myxoma | X | Polyp Stromal | | __________________________________________________________________________| Vagina | + + | Squamous Cell Carcinoma | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node | + + +| Inguinal, Lymphoma Malignant | | Lymphocytic | X| Inguinal, Lymphoma Malignant Mixed | | Lumbar, Lymphoma Malignant | | Lymphocytic | X| Lumbar, Lymphoma Malignant Mixed | | Pancreatic, Lymphoma Malignant Mixed | | Renal, Lymphoma Malignant Lymphocytic| X| Renal, Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Bronchial | M + + + + + + M + + M + + M M M + M M + + M + + +| Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + + + + + + M + + M + + + + + + + + +| Lymphoma Malignant Lymphocytic | X X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + M + + + + + + + + + + + A + + + + +| Hemangioma | | Histiocytic Sarcoma | X | _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| DAY ON TEST | 2| 8| 2| 2| 3| 9| 2| 2| 3| 2| 3| 2| 2| 2| 2| 3| 2| 3| 2| 0| 8| 2| 3| 3| 9| | 9| 3| 9| 9| 0| 4| 9| 5| 0| 9| 0| 9| 9| 9| 4| 0| 9| 0| 9| 3| 5| 9| 1| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 150 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + M + + + + + M + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + A + + + +| Lymphoma Malignant Lymphocytic | X X| Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Thymus | + + + + + M + M + + + + + M + + + + + + A M + + M| Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | X X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | | Sarcoma | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Peripheral Nerve | + | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + M + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | X X | Alveolar/Bronchiolar Carcinoma | X | Hepatocellular Carcinoma, Metastatic,| | Liver | X | Histiocytic Sarcoma | X | Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X | Mediastinum, Lymphoma Malignant | | Lymphocytic | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 4| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 4| 7| 7| 7| 6| DAY ON TEST | 2| 8| 2| 2| 3| 9| 2| 2| 3| 2| 3| 2| 2| 2| 2| 3| 2| 3| 2| 0| 8| 2| 3| 3| 9| | 9| 3| 9| 9| 0| 4| 9| 5| 0| 9| 0| 9| 9| 9| 4| 0| 9| 0| 9| 3| 5| 9| 1| 1| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 150 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Eye | + | __________________________________________________________________________| Harderian Gland | + + | Adenoma | X X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant Lymphocytic | X| Lymphoma Malignant Mixed | X X | __________________________________________________________________________| Urinary Bladder | + A + + + + + + + + + + + + + + + + + A A + + + +| Lymphoma Malignant Lymphocytic | X| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant Lymphocytic | X X| Lymphoma Malignant Mixed | X X X | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 0| 7| 7| 7| 7| 7| 1| 7| 6| 7| 7| | DAY ON TEST | 2| 3| 3| 3| 2| 3| 3| 2| 3| 3| 2| 6| 3| 2| 7| 3| 1| 2| 2| 2| 1| 2| 4| 2| 3| | | 1| 1| 0| 0| 9| 0| 0| 9| 0| 1| 9| 5| 1| 9| 1| 1| 6| 9| 9| 9| 4| 9| 6| 9| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 150 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | M + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Gallbladder | A + + + + + + + + + + A + + + M A + + + + + A + +| 41 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + A + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + A + + A + + + + + + + A + +| 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + A + + A + + + + + + + A + +| 42 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + A + + A + + + + + + + A + +| 45 | Lymphoma Malignant Mixed | X| 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + A + + A + + + + + + + A + +| 44 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma | X X X | 5 | Hepatocellular Adenoma | X X | 4 | Hepatocellular Adenoma, Multiple | X | 2 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X X| 3 | __________________________________________________________________________|____________| Mesentery | | 2 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X| 2 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Tooth | + | 1 | Odontoma | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + M + + + + + + + + + + + + + + + + +| 49 | Subcapsular, Lymphoma Malignant Mixed| X| 1 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + M + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 40 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 0| 7| 7| 7| 7| 7| 1| 7| 6| 7| 7| | DAY ON TEST | 2| 3| 3| 3| 2| 3| 3| 2| 3| 3| 2| 6| 3| 2| 7| 3| 1| 2| 2| 2| 1| 2| 4| 2| 3| | | 1| 1| 0| 0| 9| 0| 0| 9| 0| 1| 9| 5| 1| 9| 1| 1| 6| 9| 9| 9| 4| 9| 6| 9| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 150 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pheochromocytoma Benign | | 2 | __________________________________________________________________________|____________| Islets, Pancreatic | | 3 | __________________________________________________________________________|____________| Parathyroid Gland | M M M + M M M + + M M M + + + + + + M M + + M + +| 31 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Pars Distalis, Adenoma | X X X X | 13 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Adenoma | X X | 2 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 3 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cystadenoma | | 1 | Granulosa Cell Tumor Benign | | 1 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | X| 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 | Histiocytic Sarcoma | X | 1 | Leiomyosarcoma | X | 1 | Myxoma | | 1 | Polyp Stromal | X | 1 | __________________________________________________________________________|____________| Vagina | | 2 | Squamous Cell Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node | + + +| 6 | Inguinal, Lymphoma Malignant | | | Lymphocytic | | 1 | Inguinal, Lymphoma Malignant Mixed | X| 1 | Lumbar, Lymphoma Malignant | | | Lymphocytic | | 1 | Lumbar, Lymphoma Malignant Mixed | X | 1 | Pancreatic, Lymphoma Malignant Mixed | X | 1 | Renal, Lymphoma Malignant Lymphocytic| | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 41 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 0| 7| 7| 7| 7| 7| 1| 7| 6| 7| 7| | DAY ON TEST | 2| 3| 3| 3| 2| 3| 3| 2| 3| 3| 2| 6| 3| 2| 7| 3| 1| 2| 2| 2| 1| 2| 4| 2| 3| | | 1| 1| 0| 0| 9| 0| 0| 9| 0| 1| 9| 5| 1| 9| 1| 1| 6| 9| 9| 9| 4| 9| 6| 9| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 150 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Renal, Lymphoma Malignant Mixed | X| 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | M + + + M + + M + M + + + M + M + M + + + M M M M| 30 | Lymphoma Malignant Lymphocytic | X | 2 | Lymphoma Malignant Mixed | X | 2 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + M + + + + + + + + + + + + M| 45 | Lymphoma Malignant Lymphocytic | | 2 | Lymphoma Malignant Mixed | X | 2 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + A + + A + + + + + + + A + +| 45 | Hemangioma | X | 1 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Mixed | X| 1 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + + + + + + + M M + + + + M + M + + + + +| 43 | Lymphoma Malignant Lymphocytic | X | 2 | Lymphoma Malignant Mixed | X X| 3 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant Lymphocytic | | 2 | Lymphoma Malignant Mixed | X X X| 5 | __________________________________________________________________________|____________| Thymus | M M + + + + + M + + + + + + + + + + + + + + + + +| 41 | Lymphoma Malignant Lymphocytic | X | 1 | Lymphoma Malignant Mixed | X X X| 6 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Sarcoma | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Peripheral Nerve | | 1 | __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 42 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0| 7| 7| 0| 7| 7| 7| 7| 7| 1| 7| 6| 7| 7| | DAY ON TEST | 2| 3| 3| 3| 2| 3| 3| 2| 3| 3| 2| 6| 3| 2| 7| 3| 1| 2| 2| 2| 1| 2| 4| 2| 3| | | 1| 1| 0| 0| 9| 0| 0| 9| 0| 1| 9| 5| 1| 9| 1| 1| 6| 9| 9| 9| 4| 9| 6| 9| 0| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 150 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Alveolar/Bronchiolar Adenoma | X X X X X X X | 15 | Alveolar/Bronchiolar Adenoma, | | | Multiple | | 2 | Alveolar/Bronchiolar Carcinoma | X | 2 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X | 3 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 1 | Mediastinum, Lymphoma Malignant | | | Lymphocytic | X | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | __________________________________________________________________________|____________| Eye | | 1 | __________________________________________________________________________|____________| Harderian Gland | | 2 | Adenoma | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 2 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | X | 2 | Lymphoma Malignant Lymphocytic | X | 3 | Lymphoma Malignant Mixed | X X X| 6 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 43 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 1| 2| 2| 2| 2| 5| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 6| 2| 6| 5| 5| 5| 5| 6| 9| 6| 5| 6| 5| 8| 6| 5| 5| 6| 6| 6| 6| 5| 6| 6| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + A + A + + + + + + + + M + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + A + + + + + + A + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + A + M + + + + A + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + A + + + + A + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Hemangiosarcoma, Multiple | | Hepatocellular Carcinoma | X X X X X X | Hepatocellular Carcinoma, Multiple | X | Hepatocellular Adenoma | X X X X X | Hepatocellular Adenoma, Multiple | X X| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + | Odontoma | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + I + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Adrenal Medulla | + + + + + + I + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Islets, Pancreatic | + + +| Adenoma | X| __________________________________________________________________________| Parathyroid Gland | M + + + + + + + + + M M M M M M M M + M + + + M M| __________________________________________________________________________| Pituitary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 44 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 1| 2| 2| 2| 2| 5| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 6| 2| 6| 5| 5| 5| 5| 6| 9| 6| 5| 6| 5| 8| 6| 5| 5| 6| 6| 6| 6| 5| 6| 6| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Penis | + | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node | + | Lumbar, Lymphoma Malignant Mixed | X | Renal, Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Bronchial | + + M M + M + + + + M + M M M M + M + M M + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + M + + M + M + + + + + + + + + + + + + M| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Mediastinal | + M M M + + + + M + + + + + M + + + + + + M + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangioma | | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Thymus | + + + + M M + + + + + M + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M + M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Lymphoma | | Malignant Mixed | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X | _____________________________________________________________________________________________________________________| Page 45 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 1| 2| 2| 2| 2| 5| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 6| 2| 6| 5| 5| 5| 5| 6| 9| 6| 5| 6| 5| 8| 6| 5| 5| 6| 6| 6| 6| 5| 6| 6| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Alveolar/Bronchiolar Carcinoma | | Hepatocellular Carcinoma, Metastatic,| | Liver | X X X | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + + +| Adenoma | X X X| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 1| 6| 7| 7| 7| 7| 5| 5| 5| 7| 4| 7| | DAY ON TEST | 2| 2| 2| 6| 2| 2| 2| 2| 2| 2| 2| 2| 0| 3| 0| 2| 2| 1| 2| 6| 7| 9| 2| 7| 2| | | 6| 6| 6| 1| 6| 6| 6| 6| 6| 6| 6| 5| 9| 6| 4| 5| 6| 1| 5| 3| 0| 4| 6| 9| 5| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + M + A + + A + A A A + + +| 41 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + A + A A + + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + A + + A A + A +| 43 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + A A A + A +| 42 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + A A + + + +| 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | | 1 | Hemangiosarcoma, Multiple | X | 1 | Hepatocellular Carcinoma | X X X | 9 | Hepatocellular Carcinoma, Multiple | X X | 3 | Hepatocellular Adenoma | X X X X X| 10 | Hepatocellular Adenoma, Multiple | X X | 4 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 | __________________________________________________________________________|____________| Tooth | + + | 3 | Odontoma | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Islets, Pancreatic | + + | 5 | Adenoma | X | 2 | __________________________________________________________________________|____________| Parathyroid Gland | M + + + M + M + + M M + + + M + + + M + + + M + M| 29 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + M + + + M +| 47 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Adenoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 47 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 1| 6| 7| 7| 7| 7| 5| 5| 5| 7| 4| 7| | DAY ON TEST | 2| 2| 2| 6| 2| 2| 2| 2| 2| 2| 2| 2| 0| 3| 0| 2| 2| 1| 2| 6| 7| 9| 2| 7| 2| | | 6| 6| 6| 1| 6| 6| 6| 6| 6| 6| 6| 5| 9| 6| 4| 5| 6| 1| 5| 3| 0| 4| 6| 9| 5| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + +| 16 | __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node | | 1 | Lumbar, Lymphoma Malignant Mixed | | 1 | Renal, Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + M + M M M + M + M M + + + M M + M + + M + M + M| 25 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + M + M + + + + + + + + + M + + M + M M + +| 39 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + M + + + + + + + + + A + A + + + + +| 47 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M M + + + + + + + M + + + + + + + + + + + +| 41 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangioma | X | 1 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Thymus | + + + + + + + + M + + + + + + + + + M + + + + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M + M M M M M M + M M M| 3 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Subcutaneous Tissue, Lymphoma | | | Malignant Mixed | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 48 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 1| 6| 7| 7| 7| 7| 5| 5| 5| 7| 4| 7| | DAY ON TEST | 2| 2| 2| 6| 2| 2| 2| 2| 2| 2| 2| 2| 0| 3| 0| 2| 2| 1| 2| 6| 7| 9| 2| 7| 2| | | 6| 6| 6| 1| 6| 6| 6| 6| 6| 6| 6| 5| 9| 6| 4| 5| 6| 1| 5| 3| 0| 4| 6| 9| 5| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X | 7 | Alveolar/Bronchiolar Carcinoma | X | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X | 5 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 5 | Adenoma | X | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 49 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 3| 6| DAY ON TEST | 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 9| 2| 8| 2| 2| 7| 1| | 5| 6| 5| 5| 1| 5| 9| 9| 5| 4| 4| 5| 5| 5| 5| 9| 5| 7| 2| 6| 1| 5| 6| 9| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 37.5 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Gallbladder | + + M + A + + + + + + + M + + + + A A + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + A + + + + + + + + + + + + A A + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A A + + + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Intestine Small, Ileum | + + + + A + + + + + + + + + + + + A A + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | Hemangiosarcoma | X | Hemangiosarcoma, Multiple | X | Hepatocellular Carcinoma | X | Hepatocellular Carcinoma, Multiple | X | Hepatocellular Adenoma | X X X X X X X | Lymphoma Malignant Mixed | | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + A + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + A + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcapsular, Adenoma | X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Pheochromocytoma Benign | | __________________________________________________________________________| Islets, Pancreatic | + | Adenoma | | __________________________________________________________________________| Parathyroid Gland | M + + + + M + M M + M + + + + M + + + + M M M M +| __________________________________________________________________________| Pituitary Gland | M + + + + M + + + M + + + + + I + + + + + + + + +| Pars Intermedia, Adenoma | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | Follicular Cell, Carcinoma | | _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 3| 6| DAY ON TEST | 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 9| 2| 8| 2| 2| 7| 1| | 5| 6| 5| 5| 1| 5| 9| 9| 5| 4| 4| 5| 5| 5| 5| 9| 5| 7| 2| 6| 1| 5| 6| 9| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 37.5 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Penis | +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + | __________________________________________________________________________| Prostate | + + + + + M + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | __________________________________________________________________________| Lymph Node | + + | Lymphoma Malignant Mixed | | Inguinal, Alveolar/Bronchiolar | | Carcinoma, Metastatic, Lung | | Renal, Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + M M + + + + + + + M + + + M M + M + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | __________________________________________________________________________| Lymph Node, Mesenteric | + M + + + + + + + + + + + + + + + + A + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Mediastinal | M + + M + + + + + + + + + M + + + + + + M + M +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | Hepatocellular Carcinoma, Metastatic,| | Liver | X | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + M + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | Lymphoma Malignant Mixed | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M + M M M M M M M M M M M M A M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 3| 6| DAY ON TEST | 2| 2| 2| 2| 6| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 6| 9| 2| 8| 2| 2| 7| 1| | 5| 6| 5| 5| 1| 5| 9| 9| 5| 4| 4| 5| 5| 5| 5| 9| 5| 7| 2| 6| 1| 5| 6| 9| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 37.5 PPM | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | Mandible, Alveolar/Bronchiolar | | Carcinoma, Metastatic, Lung | | Rib, Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | __________________________________________________________________________| Skeletal Muscle | | Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spinal Cord | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | X | Alveolar/Bronchiolar Carcinoma | X X | Alveolar/Bronchiolar Carcinoma, | | Multiple | X | Hepatocellular Carcinoma, Metastatic,| | Liver | X X | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | Adenoma | X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | Renal Tubule, Adenoma | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + A + + + + + +| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 2| 9| 6| 2| 2| 2| 9| 2| 2| 2| 0| 8| 2| 2| 2| 8| 2| 2| 2| 2| 2| 2| 8| 2| 2| | | 6| 9| 7| 5| 5| 6| 3| 6| 6| 6| 3| 4| 6| 6| 6| 2| 6| 5| 5| 6| 6| 6| 7| 5| 5| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 37.5 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + M M + + + + + + + + + + M + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Gallbladder | + + + + + + A + + M A A + + + A + + + + + + + + +| 40 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + A + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + A + + + A A + + + + + + + + + M + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + A + + + + A + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + A + + + A A + + + + + + + + + + + + +| 45 | Lymphoma Malignant Mixed | X | 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + A + + + + A + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | Hemangiosarcoma | | 1 | Hemangiosarcoma, Multiple | | 1 | Hepatocellular Carcinoma | X X X X| 5 | Hepatocellular Carcinoma, Multiple | | 1 | Hepatocellular Adenoma | X X X X X X X X | 15 | Lymphoma Malignant Mixed | X | 1 | __________________________________________________________________________|____________| Mesentery | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + M + + + + + + + + + + + + + + + + + + +| 49 | Subcapsular, Adenoma | | 1 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + M + + + + + + + + + + + + + + + + + + +| 49 | Pheochromocytoma Benign | X X | 2 | __________________________________________________________________________|____________| Islets, Pancreatic | + | 2 | Adenoma | X | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + M M M M M + + + + + + + + + M + + + M + + M + M| 31 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 53 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 2| 9| 6| 2| 2| 2| 9| 2| 2| 2| 0| 8| 2| 2| 2| 8| 2| 2| 2| 2| 2| 2| 8| 2| 2| | | 6| 9| 7| 5| 5| 6| 3| 6| 6| 6| 3| 4| 6| 6| 6| 2| 6| 5| 5| 6| 6| 6| 7| 5| 5| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 37.5 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pars Intermedia, Adenoma | X| 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | Follicular Cell, Carcinoma | X | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + | 19 | __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | | 1 | __________________________________________________________________________|____________| Lymph Node | + + + | 5 | Lymphoma Malignant Mixed | X | 1 | Inguinal, Alveolar/Bronchiolar | | | Carcinoma, Metastatic, Lung | X | 1 | Renal, Lymphoma Malignant Mixed | X X | 2 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + M + + M + M + + + + M + + M + + + + M + + M M +| 36 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Lymphoma Malignant Mixed | X X | 3 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M + + + + + M M + + + + + + + M M + + M M +| 37 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | | 1 | Lymphoma Malignant Mixed | X | 2 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 54 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 2| 9| 6| 2| 2| 2| 9| 2| 2| 2| 0| 8| 2| 2| 2| 8| 2| 2| 2| 2| 2| 2| 8| 2| 2| | | 6| 9| 7| 5| 5| 6| 3| 6| 6| 6| 3| 4| 6| 6| 6| 2| 6| 5| 5| 6| 6| 6| 7| 5| 5| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 37.5 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Lymphoma Malignant Mixed | X X | 3 | __________________________________________________________________________|____________| Thymus | + + M + + + + + + + + + + + + + M + + + + M + + +| 46 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | Lymphoma Malignant Mixed | X | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mandible, Alveolar/Bronchiolar | | | Carcinoma, Metastatic, Lung | X | 1 | Rib, Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spinal Cord | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X X X | 9 | Alveolar/Bronchiolar Adenoma, | | | Multiple | X X | 3 | Alveolar/Bronchiolar Carcinoma | X X X | 5 | Alveolar/Bronchiolar Carcinoma, | | | Multiple | | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X X X| 6 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 55 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 6| 6| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 2| 9| 6| 2| 2| 2| 9| 2| 2| 2| 0| 8| 2| 2| 2| 8| 2| 2| 2| 2| 2| 2| 8| 2| 2| | | 6| 9| 7| 5| 5| 6| 3| 6| 6| 6| 3| 4| 6| 6| 6| 2| 6| 5| 5| 6| 6| 6| 7| 5| 5| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 37.5 PPM | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | Adenoma | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | Renal Tubule, Adenoma | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Mixed | X X | 3 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 56 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 6| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 6| 5| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 6| 2| 1| 2| 5| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 5| 6| 5| 2| 2| 2| 2| | 6| 6| 6| 4| 6| 4| 6| 7| 6| 6| 6| 8| 5| 6| 9| 6| 5| 6| 8| 2| 8| 5| 5| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 75 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + M + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + M + + + + + + + + + M + + + + M| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + A + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + + + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + A + + + +| Lymphoma Malignant Mixed | | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + A + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Cholangiocarcinoma | X | Hemangiosarcoma | X | Hepatocellular Carcinoma | X X X X | Hepatocellular Carcinoma, Multiple | | Hepatocellular Adenoma | X X X X X X X| Hepatocellular Adenoma, Multiple | X | __________________________________________________________________________| Mesentery | + + + | Cholangiocarcinoma, Metastatic, Liver| X | Hemangiosarcoma | X | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + | Odontoma | X | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | __________________________________________________________________________| Islets, Pancreatic | + + | Adenoma | | __________________________________________________________________________| Parathyroid Gland | + + M M M + + M + M + + + + + + + + + + M + + M M| __________________________________________________________________________| Pituitary Gland | + + + M + + + I + + + + + + + + + + + + + M + + +| Pars Distalis, Adenoma | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Carcinoma | X | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 6| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 6| 5| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 6| 2| 1| 2| 5| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 5| 6| 5| 2| 2| 2| 2| | 6| 6| 6| 4| 6| 4| 6| 7| 6| 6| 6| 8| 5| 6| 9| 6| 5| 6| 8| 2| 8| 5| 5| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 75 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Cholangiocarcinoma, Metastatic, Liver| X | __________________________________________________________________________| Penis | + | __________________________________________________________________________| Preputial Gland | + + + + + + + | __________________________________________________________________________| Prostate | + + + + + + + + + + + M + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Adenoma | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + +| Inguinal, Cholangiocarcinoma, | | Metastatic, Liver | X | Inguinal, Lymphoma Malignant | | Lymphocytic | | __________________________________________________________________________| Lymph Node, Bronchial | M M M M M M + + M M M + + + M M M M M M + M M M +| Lymphoma Malignant Lymphocytic | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Mesenteric | M + + + + + + + + + + + + + + + + + + + + + + M +| Cholangiocarcinoma, Metastatic, Liver| X | Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Mediastinal | + + M + + M + + + M + M + M M + + + + + + + + + M| Cholangiocarcinoma, Metastatic, Liver| X | Lymphoma Malignant Lymphocytic | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | | __________________________________________________________________________| Thymus | + + + M + + + M + M + + + + + + + + + M + M + + +| Lymphoma Malignant Lymphocytic | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 6| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 6| 5| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 6| 2| 1| 2| 5| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 5| 6| 5| 2| 2| 2| 2| | 6| 6| 6| 4| 6| 4| 6| 7| 6| 6| 6| 8| 5| 6| 9| 6| 5| 6| 8| 2| 8| 5| 5| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 75 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Subcutaneous Tissue, | | Alveolar/Bronchiolar Carcinoma, | | Metastatic, Lung | | Subcutaneous Tissue, Schwannoma | | Malignant, Multiple | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + M + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X X X X| Alveolar/Bronchiolar Adenoma, | | Multiple | X X | Alveolar/Bronchiolar Carcinoma | X | Alveolar/Bronchiolar Carcinoma, | | Multiple | | Cholangiocarcinoma, Metastatic, Liver| X | Hepatocellular Carcinoma, Metastatic,| | Liver | X | Mediastinum, Cholangiocarcinoma, | | Metastatic, Liver | X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | __________________________________________________________________________| Harderian Gland | + + | Adenoma | X X | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cholangiocarcinoma, Metastatic, Liver| X | Hepatocellular Carcinoma, Metastatic,| | Liver | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Cholangiocarcinoma, Metastatic, Liver| X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 6| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 5| 6| 5| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 6| 2| 1| 2| 5| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 5| 6| 5| 2| 2| 2| 2| | 6| 6| 6| 4| 6| 4| 6| 7| 6| 6| 6| 8| 5| 6| 9| 6| 5| 6| 8| 2| 8| 5| 5| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 75 PPM | 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS - cont | | | | Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | | _____________________________________________________________________________________________________________________| Page 60 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 4| 7| 7| 7| 3| 7| 7| 6| 7| 6| 6| | DAY ON TEST | 2| 2| 0| 2| 2| 2| 2| 2| 8| 2| 2| 2| 7| 2| 8| 2| 2| 2| 0| 2| 2| 8| 2| 4| 1| | | 5| 5| 1| 9| 5| 5| 6| 6| 3| 6| 6| 5| 9| 6| 4| 5| 6| 5| 7| 6| 6| 1| 5| 7| 9| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Gallbladder | + + + + + M + + A M + + + + A + + M + + + + + + +| 42 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + M + + + + + + + + + A| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + A + + + + + + + + + + + + + + + A| 48 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + A + + + + + A + + + + + + + + + A| 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + A + A + + + + + + + + + A| 45 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + A + + + + + A + + + + + + + + + A| 46 | Lymphoma Malignant Mixed | X | 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + A + + + + + A + + + + + + + + + A| 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cholangiocarcinoma | | 1 | Hemangiosarcoma | | 1 | Hepatocellular Carcinoma | X X X X X | 9 | Hepatocellular Carcinoma, Multiple | X X| 2 | Hepatocellular Adenoma | X X X X X X | 13 | Hepatocellular Adenoma, Multiple | | 1 | __________________________________________________________________________|____________| Mesentery | + + | 5 | Cholangiocarcinoma, Metastatic, Liver| | 1 | Hemangiosarcoma | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | X | 1 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Tooth | | 1 | Odontoma | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + M + + + + +| 48 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + M + + + + +| 48 | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + | 9 | Adenoma | X X | 2 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 61 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 4| 7| 7| 7| 3| 7| 7| 6| 7| 6| 6| | DAY ON TEST | 2| 2| 0| 2| 2| 2| 2| 2| 8| 2| 2| 2| 7| 2| 8| 2| 2| 2| 0| 2| 2| 8| 2| 4| 1| | | 5| 5| 1| 9| 5| 5| 6| 6| 3| 6| 6| 5| 9| 6| 4| 5| 6| 5| 7| 6| 6| 1| 5| 7| 9| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + M + + M M + M M M + M +| 35 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| 46 | Pars Distalis, Adenoma | | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cholangiocarcinoma, Metastatic, Liver| | 1 | __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + +| 14 | __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Interstitial Cell, Adenoma | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + | 5 | Inguinal, Cholangiocarcinoma, | | | Metastatic, Liver | | 1 | Inguinal, Lymphoma Malignant | | | Lymphocytic | X | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | M + M M M + M + + M M + M + + + M M + M + M + M M| 18 | Lymphoma Malignant Lymphocytic | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | X | 1 | Lymphoma Malignant Mixed | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Cholangiocarcinoma, Metastatic, Liver| | 1 | Lymphoma Malignant Lymphocytic | X | 1 | Lymphoma Malignant Mixed | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + M + + M + A M + + + + + + + + +| 39 | Cholangiocarcinoma, Metastatic, Liver| | 1 | Lymphoma Malignant Lymphocytic | X | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 62 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 4| 7| 7| 7| 3| 7| 7| 6| 7| 6| 6| | DAY ON TEST | 2| 2| 0| 2| 2| 2| 2| 2| 8| 2| 2| 2| 7| 2| 8| 2| 2| 2| 0| 2| 2| 8| 2| 4| 1| | | 5| 5| 1| 9| 5| 5| 6| 6| 3| 6| 6| 5| 9| 6| 4| 5| 6| 5| 7| 6| 6| 1| 5| 7| 9| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Hemangiosarcoma | | 1 | Lymphoma Malignant Lymphocytic | X | 1 | Lymphoma Malignant Mixed | X | 1 | __________________________________________________________________________|____________| Thymus | + + + + M + M + + + + + + M A + + + M M M + + + +| 38 | Lymphoma Malignant Lymphocytic | X | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M M M M M M M M M M M M M M M M + M M M M M M| 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Subcutaneous Tissue, | | | Alveolar/Bronchiolar Carcinoma, | | | Metastatic, Lung | X | 1 | Subcutaneous Tissue, Schwannoma | | | Malignant, Multiple | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Alveolar/Bronchiolar Adenoma | X X | 10 | Alveolar/Bronchiolar Adenoma, | | | Multiple | X | 3 | Alveolar/Bronchiolar Carcinoma | X X X | 4 | Alveolar/Bronchiolar Carcinoma, | | | Multiple | X | 1 | Cholangiocarcinoma, Metastatic, Liver| | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X X| 4 | Mediastinum, Cholangiocarcinoma, | | | Metastatic, Liver | | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 63 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| 4| 7| 7| 7| 3| 7| 7| 6| 7| 6| 6| | DAY ON TEST | 2| 2| 0| 2| 2| 2| 2| 2| 8| 2| 2| 2| 7| 2| 8| 2| 2| 2| 0| 2| 2| 8| 2| 4| 1| | | 5| 5| 1| 9| 5| 5| 6| 6| 3| 6| 6| 5| 9| 6| 4| 5| 6| 5| 7| 6| 6| 1| 5| 7| 9| | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 75 PPM | 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | __________________________________________________________________________|____________| Harderian Gland | + | 3 | Adenoma | X | 3 | __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cholangiocarcinoma, Metastatic, Liver| | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + A +| 49 | Cholangiocarcinoma, Metastatic, Liver| | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant Lymphocytic | X | 1 | Lymphoma Malignant Mixed | X | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 64 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 5| 7| 4| 7| 5| 6| 7| 7| 7| 5| 7| 5| 2| 7| 5| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 4| 2| 2| 7| 2| 4| 2| 5| 6| 2| 2| 2| 5| 2| 4| 3| 2| 8| 2| 2| 2| 2| | 5| 5| 6| 0| 5| 6| 5| 5| 3| 5| 3| 8| 5| 5| 5| 8| 6| 1| 5| 4| 8| 6| 9| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 150 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + A + + + + A + + + + + A A + A + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + A + + + + + + + + A A + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + A + + A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + A + + + + A + + A + + + + + A A + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | A + + + + + + + A + + A + + + + + A A + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + A + A + + A + + M + + A A + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | A + + A + + + + A + + A + + + + + A A + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X X | Hemangiosarcoma, Multiple | | Hepatocellular Carcinoma | X X X X X X| Hepatocellular Adenoma | X X X X X X X X X| Hepatocellular Adenoma, Multiple | | __________________________________________________________________________| Mesentery | + + | __________________________________________________________________________| Pancreas | + + + + + + + + A + + + + + + + + A A + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + A + + + + + + + + A A + + + + + +| Squamous Cell Carcinoma | X | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + A + + + + + + + + A A + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + A + + + + M + + + + + + + + + + +| Subcapsular, Adenoma | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + A + + + + M + + + + + + + + + + +| Pheochromocytoma Benign | | __________________________________________________________________________| Islets, Pancreatic | | __________________________________________________________________________| Parathyroid Gland | + M + M + + + + + + + M + M M + + + + + + + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + M M + + + + M + + + + + + M| Pars Distalis, Adenoma | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Follicular Cell, Adenoma | | Follicular Cell, Adenoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Coagulating Gland | A | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Penis | + + | _____________________________________________________________________________________________________________________| Page 65 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 5| 7| 4| 7| 5| 6| 7| 7| 7| 5| 7| 5| 2| 7| 5| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 4| 2| 2| 7| 2| 4| 2| 5| 6| 2| 2| 2| 5| 2| 4| 3| 2| 8| 2| 2| 2| 2| | 5| 5| 6| 0| 5| 6| 5| 5| 3| 5| 3| 8| 5| 5| 5| 8| 6| 1| 5| 4| 8| 6| 9| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 150 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Preputial Gland | + + + + + +| __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Lymph Node | + + | Inguinal, Lymphoma Malignant Mixed | X | Lumbar, Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Bronchial | + + + + M M M + + + + M + M + + M + + M M + + + M| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M + + + + + M + + + + + + + + M + +| Lymphoma Malignant Lymphocytic | X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + A + + + + + + + + A A + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + M + M M + + + M + M + + + + + M M + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | __________________________________________________________________________| Spleen | + + + + + + + + A + + + + + + + + A + + + + + + +| Sarcoma, Metastatic, Skin | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + M + M + A + M + + + + M| Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + A + + + + + + +| Subcutaneous Tissue, Sarcoma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + M + + + M + I + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | X X| Alveolar/Bronchiolar Carcinoma | X | Hepatocellular Carcinoma, Metastatic,| | Liver | X| _____________________________________________________________________________________________________________________| Page 66 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 5| 7| 4| 7| 5| 6| 7| 7| 7| 5| 7| 5| 2| 7| 5| 7| 7| 7| 7| DAY ON TEST | 2| 2| 2| 4| 2| 2| 7| 2| 4| 2| 5| 6| 2| 2| 2| 5| 2| 4| 3| 2| 8| 2| 2| 2| 2| | 5| 5| 6| 0| 5| 6| 5| 5| 3| 5| 3| 8| 5| 5| 5| 8| 6| 1| 5| 4| 8| 6| 9| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 150 PPM | 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Sarcoma, Metastatic, Skin | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Adenoma | | __________________________________________________________________________| Trachea | + + + + + + + + A + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Harderian Gland | + + | Adenocarcinoma | | Adenoma | X X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Urinary Bladder | + + + + + + + + A + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | X | Lymphoma Malignant Mixed | X | _____________________________________________________________________________________________________________________| Page 67 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 3| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 6| 7| 7| 7| 1| 5| 7| 7| 5| DAY ON TEST | 2| 2| 2| 5| 1| 1| 2| 2| 2| 2| 2| 2| 9| 5| 2| 2| 9| 2| 2| 2| 0| 5| 2| 2| 3| | 5| 5| 5| 8| 8| 6| 5| 9| 5| 5| 6| 5| 3| 2| 5| 6| 2| 5| 5| 6| 0| 6| 5| 6| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 150 PPM | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + + + + + + A + + + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + A + + + + + + + A + + + A| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | Hemangiosarcoma, Multiple | X | Hepatocellular Carcinoma | X X X | Hepatocellular Adenoma | X X X X | Hepatocellular Adenoma, Multiple | X | __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Carcinoma | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcapsular, Adenoma | X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Pheochromocytoma Benign | X | __________________________________________________________________________| Islets, Pancreatic | + | __________________________________________________________________________| Parathyroid Gland | + + + M + M + + M + + + M M + M + M + + + M + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + M + + + + +| Pars Distalis, Adenoma | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Follicular Cell, Adenoma | X | Follicular Cell, Adenoma | X X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Coagulating Gland | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Penis | + +| _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 3| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 6| 7| 7| 7| 1| 5| 7| 7| 5| DAY ON TEST | 2| 2| 2| 5| 1| 1| 2| 2| 2| 2| 2| 2| 9| 5| 2| 2| 9| 2| 2| 2| 0| 5| 2| 2| 3| | 5| 5| 5| 8| 8| 6| 5| 9| 5| 5| 6| 5| 3| 2| 5| 6| 2| 5| 5| 6| 0| 6| 5| 6| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 150 PPM | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Preputial Gland | + + + + + + | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + | Inguinal, Lymphoma Malignant Mixed | | Lumbar, Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Bronchial | + M + + + M + + M + + + M + + M M M + M M + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + M + + + + + + + + + + + + + + M + + + + + + +| Lymphoma Malignant Lymphocytic | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | | __________________________________________________________________________| Lymph Node, Mediastinal | M M M + + + M M + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Sarcoma, Metastatic, Skin | X | __________________________________________________________________________| Thymus | + + M + M + + + + + M + + + + + + + + + M + + + +| Lymphoma Malignant Mixed | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Sarcoma | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | X X X | Alveolar/Bronchiolar Carcinoma | X X X | Hepatocellular Carcinoma, Metastatic,| | Liver | | _____________________________________________________________________________________________________________________| Page 69 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 3| 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 6| 7| 7| 7| 1| 5| 7| 7| 5| DAY ON TEST | 2| 2| 2| 5| 1| 1| 2| 2| 2| 2| 2| 2| 9| 5| 2| 2| 9| 2| 2| 2| 0| 5| 2| 2| 3| | 5| 5| 5| 8| 8| 6| 5| 9| 5| 5| 6| 5| 3| 2| 5| 6| 2| 5| 5| 6| 0| 6| 5| 6| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 150 PPM | 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Sarcoma, Metastatic, Skin | X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Adenoma | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | __________________________________________________________________________| Harderian Gland | + + + + | Adenocarcinoma | X | Adenoma | X X X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + A + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant Lymphocytic | | Lymphoma Malignant Mixed | | _____________________________________________________________________________________________________________________| Page 70 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 3| 0| 2| | | DAY ON TEST | 0| 9| 9| | | | 0| 6| 6| | | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 150 PPM | 1| 1| 1| | L | | 1| 2| 6| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + | 53 | __________________________________________________________________________|____________| Gallbladder | + + + | 46 | __________________________________________________________________________|____________| Intestine Large, Colon | + + A | 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | A + A | 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + A | 43 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + A | 43 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + A | 43 | __________________________________________________________________________|____________| Intestine Small, Ileum | A A A | 43 | __________________________________________________________________________|____________| Liver | + + + | 53 | Hemangiosarcoma | | 2 | Hemangiosarcoma, Multiple | | 1 | Hepatocellular Carcinoma | | 9 | Hepatocellular Adenoma | | 13 | Hepatocellular Adenoma, Multiple | | 1 | __________________________________________________________________________|____________| Mesentery | | 2 | __________________________________________________________________________|____________| Pancreas | + + A | 49 | __________________________________________________________________________|____________| Salivary Glands | + + + | 53 | __________________________________________________________________________|____________| Stomach, Forestomach | + + A | 49 | Squamous Cell Carcinoma | | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + A | 49 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + | 53 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + | 51 | Subcapsular, Adenoma | | 1 | __________________________________________________________________________|____________| Adrenal Medulla | + + + | 51 | Pheochromocytoma Benign | | 1 | __________________________________________________________________________|____________| Islets, Pancreatic | | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + + + | 39 | __________________________________________________________________________|____________| Pituitary Gland | + + + | 47 | Pars Distalis, Adenoma | | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + | 53 | Bilateral, Follicular Cell, Adenoma | | 1 | Follicular Cell, Adenoma | | 4 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 71 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 3| 0| 2| | | DAY ON TEST | 0| 9| 9| | | | 0| 6| 6| | | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 150 PPM | 1| 1| 1| | L | | 1| 2| 6| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Coagulating Gland | | | __________________________________________________________________________|____________| Epididymis | + + + | 53 | __________________________________________________________________________|____________| Penis | + | 5 | __________________________________________________________________________|____________| Preputial Gland | | 12 | __________________________________________________________________________|____________| Prostate | + + + | 53 | __________________________________________________________________________|____________| Seminal Vesicle | + + + | 53 | __________________________________________________________________________|____________| Testes | + + + | 53 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + | 52 | __________________________________________________________________________|____________| Lymph Node | | 5 | Inguinal, Lymphoma Malignant Mixed | | 1 | Lumbar, Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M | 34 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 48 | Lymphoma Malignant Lymphocytic | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | A + + | 49 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + | 41 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________|____________| Spleen | + + + | 51 | Sarcoma, Metastatic, Skin | | 1 | __________________________________________________________________________|____________| Thymus | + + M | 43 | Lymphoma Malignant Mixed | | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M M | | __________________________________________________________________________|____________| Skin | + + + | 52 | Subcutaneous Tissue, Sarcoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + | 53 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + | 53 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 72 NTP Experiment-Test: 05185-04 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYL NITRITE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 18:40:55 __________________________________________________________________________________________________________________________________ | 3| 0| 2| | | DAY ON TEST | 0| 9| 9| | | | 0| 6| 6| | | _____________________________________________________________________________________________________________________| T (*) | | 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 150 PPM | 1| 1| 1| | L | | 1| 2| 6| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Larynx | + + + | 50 | __________________________________________________________________________|____________| Lung | + + + | 53 | Alveolar/Bronchiolar Adenoma | | 12 | Alveolar/Bronchiolar Adenoma, | | | Multiple | | 5 | Alveolar/Bronchiolar Carcinoma | | 4 | Hepatocellular Carcinoma, Metastatic,| | | Liver | | 1 | Sarcoma, Metastatic, Skin | | 1 | __________________________________________________________________________|____________| Nose | + + + | 53 | Glands, Adenoma | X | 1 | __________________________________________________________________________|____________| Trachea | + + + | 52 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | __________________________________________________________________________|____________| Harderian Gland | | 6 | Adenocarcinoma | | 1 | Adenoma | | 5 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + | 53 | __________________________________________________________________________|____________| Urinary Bladder | + + A | 50 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + | 53 | Lymphoma Malignant Lymphocytic | | 1 | Lymphoma Malignant Mixed | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 73 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------