TDMS Study 60968-01 Pathology Tables
NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 Facility: Battelle Northwest Chemical CAS #: 0078-84-2 Lock Date: 06/01/94 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Note: Animals arranged according to CID number Page 1 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 6| 4| 6| 7| 7| 7| 4| 7| 5| 6| 7| 4| DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 9| 9| 3| 2| 0| 7| 3| 3| 3| 4| 3| 8| 9| 3| 4| | 5| 7| 5| 5| 5| 4| 4| 5| 7| 0| 6| 0| 4| 3| 0| 9| 5| 5| 5| 7| 5| 0| 5| 4| 8| _____________________________________________________________________________________________________________________| | 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| FISCHER 344 RATS 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| 1| 1| 1| 1| 1| 1| 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + A| Carcinoma | X | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + A| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X | __________________________________________________________________________| Mesentery | + + | Fibrosarcoma | | Leukemia Mononuclear | | __________________________________________________________________________| Oral Mucosa | + + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tongue | + | Squamous Cell Papilloma | X | __________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | | Leukemia Mononuclear | X X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Pheochromocytoma Benign | X | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | __________________________________________________________________________| Parathyroid Gland | + + M + + + + + + + M + + + + + + + + + + + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Adenoma | X | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 6| 4| 6| 7| 7| 7| 4| 7| 5| 6| 7| 4| DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 9| 9| 3| 2| 0| 7| 3| 3| 3| 4| 3| 8| 9| 3| 4| | 5| 7| 5| 5| 5| 4| 4| 5| 7| 0| 6| 0| 4| 3| 0| 9| 5| 5| 5| 7| 5| 0| 5| 4| 8| _____________________________________________________________________________________________________________________| | 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| FISCHER 344 RATS 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| 1| 1| 1| 1| 1| 1| 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | C-Cell, Carcinoma | X | Follicular Cell, Carcinoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| Adenoma | X | Carcinoma | X X X | Leukemia Mononuclear | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Polyp Stromal | X X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | __________________________________________________________________________| Lymph Node | + + | Deep Cervical, Leukemia Mononuclear | | Iliac, Leukemia Mononuclear | X X | Lumbar, Leukemia Mononuclear | | Pancreatic, Leukemia Mononuclear | X X | Renal, Leukemia Mononuclear | X X | Thoracic, Leukemia Mononuclear | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | __________________________________________________________________________| Lymph Node, Mandibular | + + M + + + + + + + + + + M + + + + + + + + + + +| Leukemia Mononuclear | X X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + M + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Leukemia Mononuclear | X X X X X | __________________________________________________________________________| Thymus | + + + + + + M + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | Fibroadenoma | X X X X X X X X X X | Fibroadenoma, Multiple | X X X | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 6| 4| 6| 7| 7| 7| 4| 7| 5| 6| 7| 4| DAY ON TEST | 3| 1| 3| 3| 3| 3| 3| 3| 4| 2| 9| 9| 3| 2| 0| 7| 3| 3| 3| 4| 3| 8| 9| 3| 4| | 5| 7| 5| 5| 5| 4| 4| 5| 7| 0| 6| 0| 4| 3| 0| 9| 5| 5| 5| 7| 5| 0| 5| 4| 8| _____________________________________________________________________________________________________________________| | 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| FISCHER 344 RATS 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| 1| 1| 1| 1| 1| 1| 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Keratoacanthoma | X | Sebaceous Gland, Carcinoma | X | Subcutaneous Tissue, Leukemia | | Mononuclear | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Granular Cell Tumor Benign | X | __________________________________________________________________________| Peripheral Nerve | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | | Alveolar/Bronchiolar Carcinoma | X | Leukemia Mononuclear | X X X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pleura | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 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 | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Colon | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + A + + + + + + + + + + + + + + + + + + + + + +| 47 | Carcinoma | | 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + A + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Liver | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X | 12 | __________________________________________________________________________|____________| Mesentery | + + + + +| 7 | Fibrosarcoma | X | 1 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Oral Mucosa | + + | 4 | __________________________________________________________________________|____________| Pancreas | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Stomach, Glandular | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Tongue | | 1 | Squamous Cell Papilloma | | 1 | __________________________________________________________________________|____________| Tooth | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X | 2 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Adenoma | X | 1 | Leukemia Mononuclear | X X X X X | 7 | __________________________________________________________________________|____________| Adrenal Medulla | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X | 4 | Pheochromocytoma Benign | | 1 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X | 2 | __________________________________________________________________________|____________| Parathyroid Gland | + + A + + + + + + + + + + + + + + + + + + + + + +| 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 5 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Pituitary Gland | + + A + + + + + + + + + + + + M + + + + + + + + +| 48 | Leukemia Mononuclear | | 2 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X| 34 | __________________________________________________________________________|____________| Thyroid Gland | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Adenoma | | 1 | C-Cell, Carcinoma | | 1 | Follicular Cell, Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Adenoma | | 1 | Carcinoma | X | 4 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Ovary | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Uterus | A + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Leukemia Mononuclear | | 1 | Polyp Stromal | | 2 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X | 6 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | Deep Cervical, Leukemia Mononuclear | X | 1 | Iliac, Leukemia Mononuclear | X | 3 | Lumbar, Leukemia Mononuclear | X | 1 | Pancreatic, Leukemia Mononuclear | X X | 4 | Renal, Leukemia Mononuclear | X | 3 | Thoracic, Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X | 9 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + A + + + + + + + M + + + + + + + + M + + + + +| 45 | Leukemia Mononuclear | X X X X X | 7 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X | 8 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | Leukemia Mononuclear | X X X X X X | 7 | __________________________________________________________________________________________________________________________________ * : 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 6 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Spleen | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemangiosarcoma | | 1 | Leukemia Mononuclear | X X X X X X X | 12 | __________________________________________________________________________|____________| Thymus | + + A + + + + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | X | 1 | Fibroadenoma | X X X X X X X X X X X X X| 23 | Fibroadenoma, Multiple | X | 4 | __________________________________________________________________________|____________| Skin | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Keratoacanthoma | | 1 | Sebaceous Gland, Carcinoma | | 1 | Subcutaneous Tissue, Leukemia | | | Mononuclear | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Granular Cell Tumor Benign | | 1 | __________________________________________________________________________|____________| Peripheral Nerve | + | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lung | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Alveolar/Bronchiolar Adenoma | X | 1 | Alveolar/Bronchiolar Carcinoma | | 1 | Leukemia Mononuclear | X X X X X X X | 10 | __________________________________________________________________________|____________| Nose | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Pleura | +| 1 | __________________________________________________________________________|____________| Trachea | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : 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 7 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 4| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 0| 6| 5| 6| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 8| 3| 3| 3| 3| 3| 3| 7| 3| 4| 3| 3| 3| 5| 9| 8| 2| 3| 6| 3| 2| 1| 3| | | 8| 4| 7| 4| 4| 4| 5| 4| 5| 8| 5| 7| 5| 4| 4| 6| 2| 0| 5| 4| 1| 4| 5| 6| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Leukemia Mononuclear | X | 2 | __________________________________________________________________________|____________| Urinary Bladder | + + A + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 2 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X | 12 | __________________________________________________________________________________________________________________________________ * : 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 8 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 5| 7| 6| 7| 6| 6| 6| 7| 7| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| DAY ON TEST | 3| 3| 3| 9| 3| 1| 2| 3| 6| 0| 9| 3| 8| 3| 3| 3| 0| 3| 7| 3| 4| 5| 3| 8| 0| | 5| 4| 5| 1| 4| 1| 4| 4| 3| 5| 2| 6| 1| 5| 4| 5| 1| 4| 8| 4| 0| 2| 4| 7| 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| FISCHER 344 RATS 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| 500 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + A + + + + + + + A + + + + + + + + A + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Histiocytoma, Metastatic, | | Skin | X | Hepatocellular Adenoma | X | Leukemia Mononuclear | X X X X X X X X X X| __________________________________________________________________________| Mesentery | + + | Sarcoma | | __________________________________________________________________________| Pancreas | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | __________________________________________________________________________| Stomach, Glandular | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + A + + + + + + + + + + + + + + + + + + + + +| Fibrous Histiocytoma, Metastatic, | | Skin | X | Leukemia Mononuclear | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + M + + + + + + + + + + + + +| Leukemia Mononuclear | X| __________________________________________________________________________| Islets, Pancreatic | + + + A + + + + + + + A + + + + + + + + + + + + +| Adenoma | X | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + M M + + + + + + M M + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | Leukemia Mononuclear | X | Pars Distalis, Adenoma | X X X X X X X X X X X X X | __________________________________________________________________________| Thyroid Gland | + + + A + + + + + + + + + + + + + + + + + + + + +| C-Cell, Adenoma | X | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 5| 7| 6| 7| 6| 6| 6| 7| 7| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| DAY ON TEST | 3| 3| 3| 9| 3| 1| 2| 3| 6| 0| 9| 3| 8| 3| 3| 3| 0| 3| 7| 3| 4| 5| 3| 8| 0| | 5| 4| 5| 1| 4| 1| 4| 4| 3| 5| 2| 6| 1| 5| 4| 5| 1| 4| 8| 4| 0| 2| 4| 7| 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| FISCHER 344 RATS 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| 500 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X | Carcinoma | X X X | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Granulosa-Theca Tumor Malignant | | Bilateral, Fibrous Histiocytoma, | | Metastatic, Skin | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Leiomyosarcoma | | Polyp Stromal | X | Sarcoma Stromal | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + A + + + + + + + + + + + + + + + + + + + + +| Fibrous Histiocytoma, Metastatic, | | Skin | X | Leukemia Mononuclear | X| __________________________________________________________________________| Lymph Node | + + | Fibrous Histiocytoma, Metastatic, | | Skin | X | Pancreatic, Leukemia Mononuclear | X | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Histiocytoma, Metastatic, | | Skin | X | Leukemia Mononuclear | X X X X X| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Histiocytoma, Metastatic, | | Skin | X | Leukemia Mononuclear | X X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + M + + + + + + + + + +| Fibrous Histiocytoma, Metastatic, | | Skin | X | Leukemia Mononuclear | X X X X| __________________________________________________________________________| Spleen | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X| __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 5| 5| 7| 6| 7| 6| 6| 6| 7| 7| 7| 7| 7| 6| 7| 6| 5| 7| 6| 7| DAY ON TEST | 3| 3| 3| 9| 3| 1| 2| 3| 6| 0| 9| 3| 8| 3| 3| 3| 0| 3| 7| 3| 4| 5| 3| 8| 0| | 5| 4| 5| 1| 4| 1| 4| 4| 3| 5| 2| 6| 1| 5| 4| 5| 1| 4| 8| 4| 0| 2| 4| 7| 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| FISCHER 344 RATS 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| 500 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | Fibroadenoma | X X X X X X X X X | Fibroadenoma, Multiple | X X X | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Pinna, Schwannoma Benign | X | Subcutaneous Tissue, Fibrous | | Histiocytoma | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Rib, Osteosarcoma | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + A + + + + + + + + + + + + + + + + + + + + +| Carcinoma, Metastatic, Pituitary | | Gland | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Histiocytoma, Metastatic, | | Skin | X | Leukemia Mononuclear | X X X X X X X| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Sarcoma | X | __________________________________________________________________________| Pleura | | Osteosarcoma, Metastatic, Bone | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Renal Tubule, Adenoma | | __________________________________________________________________________| Urinary Bladder | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X| _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Hepatocellular Adenoma | | 1 | Leukemia Mononuclear | X X X X X X X X X | 19 | __________________________________________________________________________|____________| Mesentery | + + + + +| 7 | Sarcoma | X| 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 3 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 2 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Tooth | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 3 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Leukemia Mononuclear | X X | 2 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 2 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Adenoma | | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 12 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Carcinoma | X | 1 | Leukemia Mononuclear | X X | 3 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X | 28 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Adenoma | X X X | 4 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | | 2 | Carcinoma | X X| 5 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granulosa-Theca Tumor Malignant | X | 1 | Bilateral, Fibrous Histiocytoma, | | | Metastatic, Skin | | 1 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leiomyosarcoma | X | 1 | Polyp Stromal | X X X X | 5 | Sarcoma Stromal | X | 2 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Leukemia Mononuclear | X X X | 4 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Pancreatic, Leukemia Mononuclear | X X | 3 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Leukemia Mononuclear | X X X X | 9 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Leukemia Mononuclear | X 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 13 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X | 6 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Leukemia Mononuclear | X X X X | 8 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X | 19 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | X | 1 | Fibroadenoma | X X X X X X X X| 17 | Fibroadenoma, Multiple | X | 4 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pinna, Schwannoma Benign | | 1 | Subcutaneous Tissue, Fibrous | | | Histiocytoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Rib, Osteosarcoma | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Carcinoma, Metastatic, Pituitary | | | Gland | X | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Histiocytoma, Metastatic, | | | Skin | | 1 | Leukemia Mononuclear | X X X X X X | 13 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Sarcoma | | 1 | __________________________________________________________________________|____________| Pleura | + | 1 | Osteosarcoma, Metastatic, Bone | 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 14 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 7| 7| 0| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 6| 6| 5| 7| 7| 6| 7| 5| | DAY ON TEST | 4| 9| 3| 3| 3| 3| 7| 3| 1| 3| 3| 3| 3| 3| 3| 7| 7| 2| 3| 5| 3| 0| 0| 3| 4| | | 2| 5| 4| 5| 4| 4| 1| 4| 2| 4| 5| 5| 5| 4| 5| 5| 8| 4| 6| 1| 4| 6| 8| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 1 | Renal Tubule, Adenoma | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 2 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X | 19 | __________________________________________________________________________________________________________________________________ * : 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 15 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 5| 4| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 5| DAY ON TEST | 3| 3| 3| 8| 0| 0| 8| 9| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 8| | 5| 5| 5| 5| 8| 8| 7| 2| 7| 9| 1| 5| 5| 4| 4| 4| 5| 6| 5| 4| 2| 5| 7| 5| 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| FISCHER 344 RATS 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Intestine Large, Colon | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + A + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Intestine Small, Ileum | + + + A + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Adenoma | X X | Leukemia Mononuclear | X X X X X X X| Lymphoma Malignant | X | __________________________________________________________________________| Mesentery | + + | Leukemia Mononuclear | | Lymphoma Malignant | X | __________________________________________________________________________| Oral Mucosa | + + | __________________________________________________________________________| Pancreas | + + + A + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Tongue | | Squamous Cell Papilloma | | __________________________________________________________________________| Tooth | + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Lymphoma Malignant | X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | | Leukemia Mononuclear | X X| __________________________________________________________________________| Adrenal Medulla | + + + M + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | Lymphoma Malignant | X | Pheochromocytoma Benign | X | _____________________________________________________________________________________________________________________| Page 16 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 5| 4| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 5| DAY ON TEST | 3| 3| 3| 8| 0| 0| 8| 9| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 8| | 5| 5| 5| 5| 8| 8| 7| 2| 7| 9| 1| 5| 5| 4| 4| 4| 5| 6| 5| 4| 2| 5| 7| 5| 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| FISCHER 344 RATS 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1000 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Islets, Pancreatic | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Adenoma | | Follicular Cell, Adenoma | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | X X X X | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Granulosa-Theca Tumor Malignant | | Lymphoma Malignant | X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | Polyp Stromal | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X| __________________________________________________________________________| Lymph Node | + + | Pancreatic, Leukemia Mononuclear | X | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X| Lymphoma Malignant | X | __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + + + M + +| Leukemia Mononuclear | X | Lymphoma Malignant | X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X| Lymphoma Malignant | X X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | Lymphoma Malignant | X | __________________________________________________________________________| Spleen | + + + A + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X| Lymphoma Malignant | X | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 5| 4| 6| 6| 4| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 5| DAY ON TEST | 3| 3| 3| 8| 0| 0| 8| 9| 7| 8| 0| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 8| | 5| 5| 5| 5| 8| 8| 7| 2| 7| 9| 1| 5| 5| 4| 4| 4| 5| 6| 5| 4| 2| 5| 7| 5| 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| FISCHER 344 RATS 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1000 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | X X | Carcinoma, Multiple | | Fibroadenoma | X X X X X X X X X X | Fibroadenoma, Multiple | X X | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Lipoma | X | Subcutaneous Tissue, Fibroma | | Subcutaneous Tissue, Osteosarcoma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Vertebra, Chordoma | X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + A + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Chordoma, Metastatic, Tissue NOS | X | Leukemia Mononuclear | X X X| Lymphoma Malignant | X | __________________________________________________________________________| Nose | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + A + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X| Lymphoma Malignant | X X | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 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 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Adenoma | | 2 | Leukemia Mononuclear | X X X X X X X X X X X | 18 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Mesentery | + + + + + + | 8 | Leukemia Mononuclear | X | 1 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Oral Mucosa | | 2 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Tongue | + | 1 | Squamous Cell Papilloma | X | 1 | __________________________________________________________________________|____________| Tooth | | 2 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | Lymphoma Malignant | | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | 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 19 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Leukemia Mononuclear | X X | 4 | __________________________________________________________________________|____________| Adrenal Medulla | + + M + + + M + + + + + + + + + + + + + + + + + +| 47 | Leukemia Mononuclear | X | 3 | Lymphoma Malignant | | 1 | Pheochromocytoma Benign | X | 2 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + M + M + + + + + + + + + + M + + + +| 46 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 1 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X| 33 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Adenoma | X X | 2 | Follicular Cell, Adenoma | X | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + + | 3 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | | 4 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granulosa-Theca Tumor Malignant | X | 1 | Lymphoma Malignant | | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | | 1 | Polyp Stromal | X | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X | 5 | __________________________________________________________________________|____________| Lymph Node | + + | 4 | Pancreatic, Leukemia Mononuclear | X | 2 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X | 5 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + M + + + + + + + + + + + + + + + + + + +| 46 | Leukemia Mononuclear | X X | 3 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 20 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Leukemia Mononuclear | X X X X | 7 | Lymphoma Malignant | | 2 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X | 5 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X X X | 17 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | X X X | 5 | Carcinoma, Multiple | X | 1 | Fibroadenoma | X X X X X X X X X | 19 | Fibroadenoma, Multiple | X X X | 5 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lipoma | | 1 | Subcutaneous Tissue, Fibroma | X | 1 | Subcutaneous Tissue, Osteosarcoma | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vertebra, Chordoma | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + I + + +| 48 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Chordoma, Metastatic, Tissue NOS | | 1 | Leukemia Mononuclear | X X X X X X | 9 | Lymphoma Malignant | | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | 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 21 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 7| 7| 6| 6| 6| 7| 7| 7| 7| 6| 7| 7| | DAY ON TEST | 3| 0| 2| 5| 3| 2| 3| 3| 3| 3| 6| 8| 8| 3| 3| 8| 9| 1| 3| 3| 0| 3| 6| 0| 0| | | 5| 6| 7| 6| 5| 0| 4| 4| 5| 5| 4| 7| 1| 4| 5| 7| 6| 4| 5| 4| 6| 5| 4| 6| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 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| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | | 2 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X | 18 | Lymphoma Malignant | | 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 22 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 4| 7| 6| 6| DAY ON TEST | 3| 2| 3| 4| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 7| 3| 3| 4| | 5| 4| 5| 2| 6| 4| 5| 5| 5| 4| 4| 4| 4| 4| 9| 5| 6| 4| 5| 5| 4| 1| 5| 2| 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| FISCHER 344 RATS 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 | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + A + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + A + + + + A + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + A + + + + A + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X | __________________________________________________________________________| Mesentery | + + + | __________________________________________________________________________| Oral Mucosa | + | Pharyngeal, Squamous Cell Carcinoma | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Tongue | + | Squamous Cell Papilloma | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | | Leukemia Mononuclear | X X X X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | Pheochromocytoma Malignant | X | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | | Carcinoma | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | Pars Distalis, Adenoma | X X X X X X X X X X X X X| Pars Distalis, Leukemia Mononuclear | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Adenoma | X | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 4| 7| 6| 6| DAY ON TEST | 3| 2| 3| 4| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 7| 3| 3| 4| | 5| 4| 5| 2| 6| 4| 5| 5| 5| 4| 4| 4| 4| 4| 9| 5| 6| 4| 5| 5| 4| 1| 5| 2| 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| FISCHER 344 RATS 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 | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2000 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| Adenoma | | Carcinoma | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Leiomyoma | X | Leukemia Mononuclear | X | Polyp Stromal | X X X X | Sarcoma Stromal | | __________________________________________________________________________| Vagina | | Polyp | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X | __________________________________________________________________________| Lymph Node | + | Deep Cervical, Leukemia Mononuclear | X | Lumbar, Leukemia Mononuclear | X | Pancreatic, Leukemia Mononuclear | X | Renal, Leukemia Mononuclear | X | Thoracic, Leukemia Mononuclear | X | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | X | Fibroadenoma | X X X X X X X X | Fibroadenoma, Multiple | X | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 6| 7| 6| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 4| 7| 6| 6| DAY ON TEST | 3| 2| 3| 4| 8| 3| 3| 3| 3| 2| 3| 3| 3| 3| 4| 3| 4| 3| 3| 3| 3| 7| 3| 3| 4| | 5| 4| 5| 2| 6| 4| 5| 5| 5| 4| 4| 4| 4| 4| 9| 5| 6| 4| 5| 5| 4| 1| 5| 2| 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| FISCHER 344 RATS 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 | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2000 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| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Keratoacanthoma | X | Trichoepithelioma | | Sebaceous Gland, Adenoma | X | Subcutaneous Tissue, Fibroma | X | Subcutaneous Tissue, Lipoma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Astrocytoma Malignant | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X | Chordoma, Metastatic, Tissue NOS | | Leukemia Mononuclear | X X X X X X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X | _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 PPM | 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 | __________________________________________________________________________|____________| Intestine Large, Colon | + A + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Rectum | + A + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Large, Cecum | + A + + + + + + + + + + + + + + + + + A + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + A + + + + + + + + + + + + + + + + + A + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + A + + + + + + + + + + + + + + + + + A + + + + +| 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X | 24 | __________________________________________________________________________|____________| Mesentery | + | 4 | __________________________________________________________________________|____________| Oral Mucosa | + + | 3 | Pharyngeal, Squamous Cell Carcinoma | X | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Tongue | + | 2 | Squamous Cell Papilloma | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 3 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X X | 2 | Leukemia Mononuclear | X X X X X X | 10 | __________________________________________________________________________|____________| Adrenal Medulla | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 3 | Pheochromocytoma Malignant | | 1 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X | 1 | Carcinoma | X | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 26 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 PPM | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Leukemia Mononuclear | X | 3 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X| 29 | Pars Distalis, Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Adenoma | X X | 3 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| 48 | Adenoma | X | 1 | Carcinoma | X X X | 3 | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leiomyoma | | 1 | Leukemia Mononuclear | | 1 | Polyp Stromal | X X | 6 | Sarcoma Stromal | X | 1 | __________________________________________________________________________|____________| Vagina | + | 1 | Polyp | X | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X | 9 | __________________________________________________________________________|____________| Lymph Node | + + + + | 5 | Deep Cervical, Leukemia Mononuclear | | 1 | Lumbar, Leukemia Mononuclear | | 1 | Pancreatic, Leukemia Mononuclear | X | 2 | Renal, Leukemia Mononuclear | X X | 3 | Thoracic, Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X | 12 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + M + + + + + + + M +| 46 | Leukemia Mononuclear | X X X X X X | 12 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X | 14 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X | 12 | __________________________________________________________________________________________________________________________________ * : 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 27 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 PPM | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X | 25 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | | 1 | Fibroadenoma | X X X X X X X X X| 17 | Fibroadenoma, Multiple | X X X X X X | 7 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Keratoacanthoma | | 1 | Trichoepithelioma | X | 1 | Sebaceous Gland, Adenoma | X | 2 | Subcutaneous Tissue, Fibroma | X | 2 | Subcutaneous Tissue, Lipoma | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Astrocytoma Malignant | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X | 3 | Chordoma, Metastatic, Tissue NOS | X | 1 | Leukemia Mononuclear | X X X X X X X X | 14 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 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 28 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 4| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 5| 7| 6| 7| 6| 7| | DAY ON TEST | 8| 7| 3| 4| 1| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 4| 3| 4| 3| 6| 3| 6| 3| | | 1| 3| 5| 1| 1| 5| 4| 5| 4| 5| 4| 5| 5| 4| 5| 4| 6| 6| 4| 1| 4| 4| 4| 4| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 2000 PPM | 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| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X | 25 | __________________________________________________________________________________________________________________________________ * : 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 29 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 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| FISCHER 344 RATS 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | __________________________________________________________________________| Intestine Small, Jejunum | A + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | A + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| Lymphoma Malignant | | __________________________________________________________________________| Mesentery | + + + + +| Lymphoma Malignant | | Mesothelioma Malignant | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Mesothelioma Malignant | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Lymphoma Malignant | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | Mesothelioma Malignant | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X | __________________________________________________________________________| Adrenal Medulla | M + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | Pheochromocytoma Malignant | X X X | Pheochromocytoma Benign | X X X | Bilateral, Pheochromocytoma Benign | X X | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Carcinoma | | _____________________________________________________________________________________________________________________| Page 30 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 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| FISCHER 344 RATS 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X X X X X| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Adenoma | | C-Cell, Carcinoma | X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | | Tunica Vaginalis, Mesothelioma | | Malignant | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | X X | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Lymphoma Malignant | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Lymphoma Malignant | | Mesothelioma Malignant | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | | Bilateral, Interstitial Cell, Adenoma| X X X X X X | Interstitial Cell, Adenoma | X X X X X X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X| __________________________________________________________________________| Lymph Node | + + + + + + + | Iliac, Leukemia Mononuclear | X X | Pancreatic, Leukemia Mononuclear | X X X X X | Pancreatic, Lymphoma Malignant | | Renal, Leukemia Mononuclear | X X X X | Thoracic, Leukemia Mononuclear | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X | Lymphoma Malignant | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X| _____________________________________________________________________________________________________________________| Page 31 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 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| FISCHER 344 RATS 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| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X| Lymphoma Malignant | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X| Lymphoma Malignant | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| Lymphoma Malignant | | Mesothelioma Malignant | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibroadenoma | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Keratoacanthoma | | Epidermis, Keratoacanthoma | X | Sebaceous Gland, Adenoma | | Subcutaneous Tissue, Fibroma | X | Subcutaneous Tissue, Lipoma | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | | Leukemia Mononuclear | X X X X X X X X X X X X X| Lymphoma Malignant | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Pleura | + | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + + | __________________________________________________________________________| Lacrimal Gland | + | _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 2| 5| 6| 5| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 7| 6| 7| 6| 4| 5| 7| 6| 6| 6| DAY ON TEST | 8| 5| 5| 4| 2| 5| 7| 0| 3| 3| 3| 0| 3| 3| 6| 0| 7| 2| 8| 3| 8| 3| 0| 1| 3| | 2| 9| 6| 2| 3| 1| 4| 6| 3| 3| 3| 8| 3| 3| 3| 6| 8| 0| 5| 3| 0| 3| 8| 8| 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| FISCHER 344 RATS 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| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | __________________________________________________________________________| Zymbal's Gland | + | Carcinoma | X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Lymphoma Malignant | | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| Lymphoma Malignant | | Mesothelioma Malignant | | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + A + + + + + + + A + + + + + + + +| 47 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + A + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + A + + + + + + + + + + + + + + + +| 48 | Carcinoma | X | 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X X| 32 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Mesentery | + + + + + + | 11 | Lymphoma Malignant | X | 1 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 1 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | Mesothelioma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 41 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 4 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 3 | Pheochromocytoma Malignant | | 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 34 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pheochromocytoma Benign | X X X X | 7 | Bilateral, Pheochromocytoma Benign | X X | 4 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | | 1 | Carcinoma | X X | 2 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 4 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X X X X| 41 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Adenoma | X | 1 | C-Cell, Carcinoma | X | 3 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | + + | 2 | Tunica Vaginalis, Mesothelioma | | | Malignant | X X | 2 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mesothelioma Malignant | X X | 2 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | | 2 | __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 1 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 1 | Lymphoma Malignant | X | 1 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mesothelioma Malignant | X X | 2 | Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X | 18 | Interstitial Cell, Adenoma | X X X X X X | 12 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X| 15 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 15 | __________________________________________________________________________________________________________________________________ * : 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: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Iliac, Leukemia Mononuclear | | 2 | Pancreatic, Leukemia Mononuclear | X X X X X | 10 | Pancreatic, Lymphoma Malignant | X | 1 | Renal, Leukemia Mononuclear | X X X X | 8 | Thoracic, Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X| 23 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + + + M + + + M + + + + + + + + + + + + +| 46 | Leukemia Mononuclear | X X X X X X X X X | 21 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X| 28 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + M + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X X X X| 26 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X| 33 | Lymphoma Malignant | X | 1 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 3 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibroadenoma | X | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Keratoacanthoma | X | 1 | Epidermis, Keratoacanthoma | | 1 | Sebaceous Gland, Adenoma | X | 1 | Subcutaneous Tissue, Fibroma | X X | 3 | Subcutaneous Tissue, Lipoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 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 36 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 5| 6| 7| 4| 6| 6| 6| 6| 6| 6| 5| 7| 6| 7| 4| 7| 5| 5| 6| 7| 7| 7| 6| 7| 6| | DAY ON TEST | 4| 7| 3| 2| 9| 1| 7| 9| 8| 9| 6| 3| 0| 0| 6| 3| 7| 4| 8| 3| 2| 3| 6| 3| 6| | | 7| 8| 3| 1| 2| 4| 8| 8| 1| 5| 6| 3| 4| 5| 5| 3| 9| 9| 7| 3| 9| 3| 3| 3| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X | 1 | Leukemia Mononuclear | X X X X X X X X X X X| 24 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | __________________________________________________________________________|____________| Pleura | | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 4 | __________________________________________________________________________|____________| Lacrimal Gland | | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + | 2 | Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | Lymphoma Malignant | X | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X| 33 | Lymphoma Malignant | X | 1 | Mesothelioma Malignant | 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 37 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 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| FISCHER 344 RATS 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| 500 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + M + + + +| Polyp Adenomatous | X | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X | Leukemia Mononuclear | X X X X X X X X X X X X X X X| __________________________________________________________________________| Mesentery | + + + + | Lymphoma Malignant | | __________________________________________________________________________| Oral Mucosa | + + | Squamous Cell Papilloma | X | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Leukemia Mononuclear | X | Lymphoma Malignant | | __________________________________________________________________________| Salivary Glands | + M + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Leiomyosarcoma | | Leukemia Mononuclear | X | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Pheochromocytoma Benign | X X X X X X | Bilateral, Pheochromocytoma Benign | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X | Carcinoma | X | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 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| FISCHER 344 RATS 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| 500 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Pars Distalis, Adenoma | X X X X X X X X X X X| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Adenoma | X | C-Cell, Adenoma, Multiple | X | C-Cell, Carcinoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Carcinoma | X | Leukemia Mononuclear | X | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X| Interstitial Cell, Adenoma | X X X X X X X X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X | Lymphoma Malignant | | __________________________________________________________________________| Lymph Node | + + +| Deep Cervical, Leukemia Mononuclear | X | Iliac, Leukemia Mononuclear | X | Inguinal, Leukemia Mononuclear | X | Pancreatic, Leukemia Mononuclear | X | Popliteal, Leukemia Mononuclear | X | Renal, Leukemia Mononuclear | X | Thoracic, Leukemia Mononuclear | X | __________________________________________________________________________| Lymph Node, Bronchial | + + + + M + + + + + + + + + + + M + + + + + + + +| Leukemia Mononuclear | X X X X X X X X | Lymphoma Malignant | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M + + + + +| Leukemia Mononuclear | X X X X X X X | Lymphoma Malignant | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X | Lymphoma Malignant | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 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| FISCHER 344 RATS 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| 500 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 | | | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X| Lymphoma Malignant | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | Lymphoma Malignant | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibroadenoma | X | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Basal Cell Adenoma | | Keratoacanthoma | X X| Squamous Cell Papilloma | X | Trichoepithelioma | X | Subcutaneous Tissue, Fibroma | | Subcutaneous Tissue, Fibrosarcoma | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skeletal Muscle | + | Sarcoma | X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X | Lymphoma Malignant | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | I + | __________________________________________________________________________| Zymbal's Gland | + | Carcinoma | X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 6| 6| 6| 7| 6| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 1| 6| 5| 7| DAY ON TEST | 3| 1| 3| 2| 4| 0| 1| 0| 3| 6| 1| 7| 3| 7| 8| 9| 6| 3| 3| 1| 3| 8| 6| 8| 0| | 3| 5| 6| 8| 0| 8| 6| 5| 3| 7| 4| 9| 3| 8| 7| 2| 4| 3| 3| 6| 3| 4| 7| 0| 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| FISCHER 344 RATS 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| 500 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 | | | | Leukemia Mononuclear | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Transitional Epithelium, Carcinoma | X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X| Lymphoma Malignant | | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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 | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | M + + + + + + + + + A + + + + + + + + + + + + + +| 47 | Polyp Adenomatous | | 1 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Hepatocellular Carcinoma | | 2 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X| 31 | __________________________________________________________________________|____________| Mesentery | + + + + + + + +| 12 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Oral Mucosa | + | 3 | Squamous Cell Papilloma | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + A + + + + + + + + + + + + + M| 48 | Adenoma | | 1 | Leukemia Mononuclear | | 1 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leiomyosarcoma | X | 1 | Leukemia Mononuclear | X | 2 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Tooth | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X | 5 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X | 4 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 1 | Pheochromocytoma Benign | X X X X X | 11 | Bilateral, Pheochromocytoma Benign | X | 1 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : 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: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Adenoma | X | 3 | Carcinoma | | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + M +| 48 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X | 3 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X| 27 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | C-Cell, Adenoma | | 1 | C-Cell, Adenoma, Multiple | | 1 | C-Cell, Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Adenoma | X | 2 | Carcinoma | X | 2 | Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Prostate | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X X X X X X X | 31 | Interstitial Cell, Adenoma | X X X X| 12 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X X X| 17 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Lymph Node | + + + + + + +| 10 | Deep Cervical, Leukemia Mononuclear | | 1 | Iliac, Leukemia Mononuclear | X| 2 | Inguinal, Leukemia Mononuclear | | 1 | Pancreatic, Leukemia Mononuclear | X X X X X X| 7 | Popliteal, Leukemia Mononuclear | | 1 | Renal, Leukemia Mononuclear | X X| 3 | Thoracic, Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + A + + + + + M + + + + + + + +| 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 43 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Leukemia Mononuclear | X X X X X X X X X X X| 19 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + M + A M + + + + + + + + + + + + +| 46 | Leukemia Mononuclear | X X X X X X X X X | 16 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X X X X X X| 24 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X X X | 21 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| 32 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X | 4 | Lymphoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Fibroadenoma | X | 2 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basal Cell Adenoma | X | 1 | Keratoacanthoma | X X | 4 | Squamous Cell Papilloma | X | 2 | Trichoepithelioma | | 1 | Subcutaneous Tissue, Fibroma | X | 1 | Subcutaneous Tissue, Fibrosarcoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + A + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Skeletal Muscle | | 1 | Sarcoma | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | 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 44 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 5| 7| 7| 6| 6| 7| 7| 6| 5| 6| 3| 7| 7| 6| 6| 6| 4| 5| 5| | DAY ON TEST | 3| 3| 3| 1| 3| 3| 9| 1| 3| 7| 0| 3| 3| 6| 7| 7| 8| 3| 3| 8| 4| 1| 0| 7| 5| | | 3| 5| 3| 8| 3| 3| 4| 6| 3| 9| 1| 3| 3| 3| 9| 4| 4| 3| 3| 7| 4| 4| 3| 5| 4| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 500 PPM | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X X X X X X X| 21 | Lymphoma Malignant | X | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | __________________________________________________________________________|____________| Zymbal's Gland | | 1 | Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + A + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X | 3 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + A + + + + + + + + + + + I + +| 48 | Leukemia Mononuclear | | 1 | Transitional Epithelium, Carcinoma | | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| 32 | Lymphoma Malignant | 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 45 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 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| FISCHER 344 RATS 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 | 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| 1000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Polyp Adenomatous | | __________________________________________________________________________| Intestine Large, Rectum | + + + M + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + A + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + A + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + A + + + + + + + + + + +| Carcinoma | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X | __________________________________________________________________________| Mesentery | + + + + | Mesothelioma Malignant | | __________________________________________________________________________| Oral Mucosa | + | Pharyngeal, Squamous Cell Papilloma | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Pheochromocytoma Malignant | X | Pheochromocytoma Benign | X X X X X | Bilateral, Pheochromocytoma Benign | X X | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Carcinoma | | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + M + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X X X X| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Adenoma | X | _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 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| FISCHER 344 RATS 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 | 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| 1000 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | C-Cell, Carcinoma | | Follicular Cell, Carcinoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | | __________________________________________________________________________| Penis | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Carcinoma | X X | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | | Bilateral, Interstitial Cell, Adenoma| X X X X X X X X | Interstitial Cell, Adenoma | X X X X X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X | __________________________________________________________________________| Lymph Node | + + + + | Iliac, Leukemia Mononuclear | X | Pancreatic, Leukemia Mononuclear | X X X | Popliteal, Leukemia Mononuclear | X | Renal, Leukemia Mononuclear | X X | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + M + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X | __________________________________________________________________________| Lymph Node, Mandibular | + M + + + + + + + + + M + + + M + + + + + + + + +| Leukemia Mononuclear | X X X X X | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosarcoma | | Leukemia Mononuclear | X X X X X X X X X X | Mesothelioma Malignant | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Thymoma Benign | | Thymoma Malignant | X | _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 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| FISCHER 344 RATS 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 | 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| 1000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibroadenoma | X | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Keratoacanthoma | X X | Leukemia Mononuclear | X | Schwannoma Malignant | X | Trichoepithelioma | | Subcutaneous Tissue, Fibroma | | Subcutaneous Tissue, Fibrosarcoma | X | Subcutaneous Tissue, Lipoma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spinal Cord | + | Schwannoma Malignant | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelioma Benign | | Leukemia Mononuclear | X X X X X | Mesothelioma Malignant | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + A + + + + + + + + + + +| Adenoma | | Leukemia Mononuclear | X | __________________________________________________________________________| Pleura | | Mesothelioma Malignant | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | __________________________________________________________________________| Harderian Gland | | __________________________________________________________________________| Zymbal's Gland | | Carcinoma | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 4| 4| 7| 6| 7| 5| 5| 7| 5| 6| 4| 5| 7| 5| 5| 5| 7| 6| 5| 6| 6| 5| 6| 4| 4| DAY ON TEST | 6| 6| 3| 0| 3| 8| 9| 0| 0| 9| 8| 3| 3| 7| 4| 8| 2| 5| 2| 3| 2| 5| 1| 4| 7| | 8| 8| 3| 1| 3| 0| 0| 6| 2| 2| 6| 8| 3| 8| 1| 6| 0| 0| 3| 6| 5| 2| 6| 0| 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| FISCHER 344 RATS 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 | 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| 1000 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| _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X | Mesothelioma Malignant | | _____________________________________________________________________________________________________________________| Page 49 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 1000 PPM | 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 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Polyp Adenomatous | X | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + A + + + + +| 48 | Carcinoma | X | 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X| 23 | __________________________________________________________________________|____________| Mesentery | + + + + | 8 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Oral Mucosa | + | 2 | Pharyngeal, Squamous Cell Papilloma | X | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Tooth | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 3 | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | Pheochromocytoma Malignant | | 1 | Pheochromocytoma Benign | X X X X | 9 | Bilateral, Pheochromocytoma Benign | X | 3 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | | 1 | Carcinoma | X | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : 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 50 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 1000 PPM | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X | 2 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X| 37 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Adenoma | X X X| 4 | C-Cell, Carcinoma | X | 1 | Follicular Cell, Carcinoma | X | 2 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Penis | + | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | | 1 | Carcinoma | X X | 4 | __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mesothelioma Malignant | X | 1 | Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X X X X| 20 | Interstitial Cell, Adenoma | X X X X X | 10 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X| 7 | __________________________________________________________________________|____________| Lymph Node | + + | 6 | Iliac, Leukemia Mononuclear | X X | 3 | Pancreatic, Leukemia Mononuclear | X X | 5 | Popliteal, Leukemia Mononuclear | | 1 | Renal, Leukemia Mononuclear | | 2 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | X X X X X X X| 14 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + M + M + + + + + + + + + + + M + + +| 44 | Leukemia Mononuclear | X X X X X X| 11 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X| 14 | __________________________________________________________________________________________________________________________________ * : 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 51 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 1000 PPM | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X| 13 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosarcoma | X | 1 | Leukemia Mononuclear | X X X X X X X X X X X X X| 23 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | Thymoma Benign | X | 1 | Thymoma Malignant | X | 2 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibroadenoma | | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Keratoacanthoma | X | 3 | Leukemia Mononuclear | | 1 | Schwannoma Malignant | | 1 | Trichoepithelioma | X | 1 | Subcutaneous Tissue, Fibroma | X | 1 | Subcutaneous Tissue, Fibrosarcoma | | 1 | Subcutaneous Tissue, Lipoma | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spinal Cord | | 1 | Schwannoma Malignant | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + I + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epithelioma Benign | X | 1 | Leukemia Mononuclear | X X X X X X X X| 13 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Adenoma | 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 52 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 5| 5| 6| 7| 4| 6| 6| 7| 6| 7| 5| 7| 7| 6| 4| 6| 7| 7| 6| | DAY ON TEST | 3| 3| 0| 3| 3| 3| 2| 6| 1| 3| 1| 7| 8| 0| 6| 3| 7| 3| 1| 0| 8| 3| 3| 2| 6| | | 3| 3| 1| 9| 3| 3| 0| 8| 7| 3| 9| 9| 6| 0| 4| 3| 6| 3| 5| 7| 9| 6| 3| 0| 6| | _____________________________________________________________________________________________________________________| 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 | FISCHER 344 RATS 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 | 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 | 1000 PPM | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Leukemia Mononuclear | | 1 | __________________________________________________________________________|____________| Pleura | + | 1 | Mesothelioma Malignant | X | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + + + | 5 | __________________________________________________________________________|____________| Harderian Gland | + | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | Carcinoma | X | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X| 23 | Mesothelioma Malignant | 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 53 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 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| FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Mesothelioma Malignant | X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | X | __________________________________________________________________________| Intestine Large, Cecum | + + + + + A + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | X | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | X | __________________________________________________________________________| Intestine Small, Jejunum | + + + A + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + A A + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | X | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X X X | __________________________________________________________________________| Mesentery | + + + + | Leukemia Mononuclear | | Mesothelioma Malignant | X | __________________________________________________________________________| Oral Mucosa | + | Squamous Cell Papilloma | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Mesothelioma Malignant | X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Mesothelioma Malignant | X | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Mesothelioma Malignant | X | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + +| __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | Pheochromocytoma Malignant | X | Pheochromocytoma Benign | X X X X X X X | Bilateral, Pheochromocytoma Benign | X | _____________________________________________________________________________________________________________________| Page 54 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 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| FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X | Carcinoma | X | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, C-Cell, Adenoma | | C-Cell, Adenoma | | C-Cell, Carcinoma | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Peritoneum | | Tunica Vaginalis, Mesothelioma Benign| | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Mesothelioma Malignant | X | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Mesothelioma Malignant | X | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | | Mesothelioma Malignant | X | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelioma Malignant | X | Bilateral, Interstitial Cell, Adenoma| X X X X X X X | Interstitial Cell, Adenoma | X X X X X X X X X X| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X | __________________________________________________________________________| Lymph Node | + + + + | Deep Cervical, Leukemia Mononuclear | X | Pancreatic, Leukemia Mononuclear | X X | Renal, Leukemia Mononuclear | X X | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + M + + + + + + + + + + + M + + +| Leukemia Mononuclear | X X X X X X X X | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 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| FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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 | | | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | Leukemia Mononuclear | X X X X X X X X X X X X X X X X X | Mesothelioma Malignant | X | __________________________________________________________________________| Thymus | + + M + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibroadenoma | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Keratoacanthoma | | Leukemia Mononuclear | X | Subcutaneous Tissue, Fibroma | X X | Subcutaneous Tissue, Sarcoma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X | Leukemia Mononuclear | X X X X X X X X X X X | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Vomeronasal Organ, Adenoma | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X | Mesothelioma Malignant | X | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 _____________________________________________________________________________________________________________________ | 6| 6| 6| 4| 7| 6| 5| 6| 5| 4| 7| 5| 6| 5| 7| 7| 4| 6| 5| 4| 6| 4| 6| 6| 5| DAY ON TEST | 3| 6| 3| 6| 3| 0| 8| 3| 4| 9| 3| 5| 3| 8| 3| 2| 4| 3| 8| 9| 5| 6| 6| 5| 7| | 6| 4| 8| 3| 3| 7| 2| 6| 5| 4| 3| 2| 6| 1| 3| 3| 3| 7| 0| 6| 0| 5| 0| 2| 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| FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 2000 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 | | | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X | Mesothelioma Malignant | X | _____________________________________________________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Leukemia Mononuclear | X X X X X X X X X X X X X X X X X | Mesothelioma Benign | | Mesothelioma Malignant | X | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 4| 4| 7| 5| 6| 7| 7| 6| 6| 6| 7| 6| 6| 5| 4| 6| 7| 7| 6| 6| 6| | DAY ON TEST | 3| 7| 3| 5| 4| 9| 3| 2| 1| 3| 3| 7| 3| 8| 3| 3| 5| 9| 6| 2| 2| 3| 4| 8| 7| | | 3| 9| 3| 8| 1| 1| 3| 0| 5| 3| 3| 8| 8| 4| 3| 2| 2| 0| 8| 4| 0| 3| 5| 0| 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 | FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 2000 PPM | 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 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 1 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| 49 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| 47 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| 34 | __________________________________________________________________________|____________| Mesentery | + + + + + + | 10 | Leukemia Mononuclear | X | 1 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Oral Mucosa | + | 2 | Squamous Cell Papilloma | X | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X | 2 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X| 3 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X| 1 | Mesothelioma Malignant | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 38 | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 3 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | 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 58 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 4| 4| 7| 5| 6| 7| 7| 6| 6| 6| 7| 6| 6| 5| 4| 6| 7| 7| 6| 6| 6| | DAY ON TEST | 3| 7| 3| 5| 4| 9| 3| 2| 1| 3| 3| 7| 3| 8| 3| 3| 5| 9| 6| 2| 2| 3| 4| 8| 7| | | 3| 9| 3| 8| 1| 1| 3| 0| 5| 3| 3| 8| 8| 4| 3| 2| 2| 0| 8| 4| 0| 3| 5| 0| 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 | FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 2000 PPM | 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| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X| 6 | Pheochromocytoma Malignant | | 1 | Pheochromocytoma Benign | X X X X| 11 | Bilateral, Pheochromocytoma Benign | X X X | 4 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X | 3 | Carcinoma | | 1 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| 48 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X | 6 | Pars Distalis, Adenoma | X X X X X X X X X X X X X X X X X X | 34 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, C-Cell, Adenoma | X | 1 | C-Cell, Adenoma | X | 1 | C-Cell, Carcinoma | X | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Peritoneum | + | 1 | Tunica Vaginalis, Mesothelioma Benign| X | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X| 1 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | X X X | 3 | __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X| 2 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X| 2 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mesothelioma Malignant | | 1 | Bilateral, Interstitial Cell, Adenoma| X X X X X X X X X| 16 | Interstitial Cell, Adenoma | X X X X X X X X X X | 20 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC 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 59 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 4| 4| 7| 5| 6| 7| 7| 6| 6| 6| 7| 6| 6| 5| 4| 6| 7| 7| 6| 6| 6| | DAY ON TEST | 3| 7| 3| 5| 4| 9| 3| 2| 1| 3| 3| 7| 3| 8| 3| 3| 5| 9| 6| 2| 2| 3| 4| 8| 7| | | 3| 9| 3| 8| 1| 1| 3| 0| 5| 3| 3| 8| 8| 4| 3| 2| 2| 0| 8| 4| 0| 3| 5| 0| 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 | FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 2000 PPM | 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| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X| 12 | __________________________________________________________________________|____________| Lymph Node | + + + | 7 | Deep Cervical, Leukemia Mononuclear | | 1 | Pancreatic, Leukemia Mononuclear | X X | 4 | Renal, Leukemia Mononuclear | X X | 4 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X| 22 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + M + + + + M + + M + + + + M + + + + + +| 44 | Leukemia Mononuclear | X X X X X X X X X X| 18 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X| 26 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X| 25 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| 34 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Leukemia Mononuclear | | 2 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibroadenoma | X | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Keratoacanthoma | X X | 2 | Leukemia Mononuclear | X | 2 | Subcutaneous Tissue, Fibroma | X X| 4 | Subcutaneous Tissue, Sarcoma | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 60 NTP Experiment-Test: 60968-01 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC ISOBUTYRALDEHYDE Date: 03/17/97 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 19:19:52 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 6| 4| 4| 7| 5| 6| 7| 7| 6| 6| 6| 7| 6| 6| 5| 4| 6| 7| 7| 6| 6| 6| | DAY ON TEST | 3| 7| 3| 5| 4| 9| 3| 2| 1| 3| 3| 7| 3| 8| 3| 3| 5| 9| 6| 2| 2| 3| 4| 8| 7| | | 3| 9| 3| 8| 1| 1| 3| 0| 5| 3| 3| 8| 8| 4| 3| 2| 2| 0| 8| 4| 0| 3| 5| 0| 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 | FISCHER 344 RATS 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 | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 2000 PPM | 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| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X | 2 | Leukemia Mononuclear | X X X X X X X X X X X X X X| 25 | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vomeronasal Organ, Adenoma | X | 1 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 3 | __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | | 3 | Mesothelioma Malignant | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X| 3 | Mesothelioma Malignant | | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Leukemia Mononuclear | X X X X X X X X X X X X X X X X X| 34 | Mesothelioma Benign | X | 1 | Mesothelioma 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 61 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------