TDMS Study 92013-06 Pathology Tables
NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 FINAL #1 MICE Facility: Southern Research Institute Chemical CAS #: 822-36-6 Lock Date: 09/13/02 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: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | 9| 4| 4| 0| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 3| 6| 6| 6| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + A + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Polyp Adenomatous | | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X | Hepatocellular Adenoma | X X | Lymphoma Malignant | X X | Sarcoma, Metastatic, Skin | | |__________________________________________________________________________| Mesentery | + + | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | Sarcoma, Metastatic, Skin | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Papilloma | X X | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Sarcoma, Metastatic, Skin | | __________________________________________|__________________________________________________________________________| Page 2 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | 9| 4| 4| 0| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 3| 6| 6| 6| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | |__________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Pheochromocytoma Malignant | X | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + M + + + + + + + + + + +| Pars Distalis, Adenoma | X X | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Adenoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Ovary | + + + + + + + + + I + + + + + + + + + + M + + + +| Cystadenoma | X | Granulosa Cell Tumor Benign | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 3 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | 9| 4| 4| 0| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 3| 6| 6| 6| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | | | Histiocytic Sarcoma | X | Sarcoma, Metastatic, Skin | | Schwannoma Malignant | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + | Pancreatic, Lymphoma Malignant | | Renal, Lymphoma Malignant | X X | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | Sarcoma, Metastatic, Skin | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosarcoma, Metastatic, Skin | X | Hemangiosarcoma | X | Lymphoma Malignant | X X X X | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | X | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Fibrosarcoma | X | Subcutaneous Tissue, Hemangiosarcoma | X | Subcutaneous Tissue, Sarcoma, Poorly | | __________________________________________|__________________________________________________________________________| Page 4 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | 9| 4| 4| 0| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 3| 6| 6| 6| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0 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 | | | | Differentiated | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | Sarcoma, Metastatic, Skin | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Carcinoma | X X | Sarcoma, Metastatic, Skin | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X X | Carcinoma | | |__________________________________________________________________________| Zymbal's Gland | | Carcinoma | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 5 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| | 9| 4| 4| 0| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 3| 6| 6| 6| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | | | Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Sarcoma, Metastatic, Skin | | __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | X X X X | __________________________________________|__________________________________________________________________________| Page 6 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 0| 3| 3| 3| 3| 3| 0| 3| 3| 3| | | 6| 6| 6| 6| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 6| 9| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 0 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 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + I + A + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + A + + + + + + + M + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + A + + + + + + + + M + + + +| 48 | Polyp Adenomatous | X | 1 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + A + + + + + + + + + A + + +| 48 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma | | 1 | Hepatocellular Adenoma | X X | 4 | Lymphoma Malignant | | 2 | Sarcoma, Metastatic, Skin | X | 1 | |__________________________________________________________________________|____________| Mesentery | + | 3 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Lymphoma Malignant | | 1 | Sarcoma, Metastatic, Skin | X | 1 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 7 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 0| 3| 3| 3| 3| 3| 0| 3| 3| 3| | | 6| 6| 6| 6| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 6| 9| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 0 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 - cont | | | | | | Squamous Cell Papilloma | | 2 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Sarcoma, Metastatic, Skin | X | 1 | |__________________________________________________________________________|____________| Tongue | + + | 3 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pheochromocytoma Malignant | | 1 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Adenoma | X X X | 5 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bilateral, Adenoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL 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 8 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 0| 3| 3| 3| 3| 3| 0| 3| 3| 3| | | 6| 6| 6| 6| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 6| 9| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 0 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| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Cystadenoma | X| 2 | Granulosa Cell Tumor Benign | X X | 2 | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Sarcoma, Metastatic, Skin | X | 1 | Schwannoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + | 3 | Pancreatic, Lymphoma Malignant | X | 1 | Renal, Lymphoma Malignant | | 2 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + I + + + + + + + + I + I +| 47 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Lymphoma Malignant | X X X | 4 | Sarcoma, Metastatic, Skin | X | 1 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | Fibrosarcoma, Metastatic, Skin | | 1 | Hemangiosarcoma | X | 2 | Lymphoma Malignant | 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 9 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 0| 3| 3| 3| 3| 3| 0| 3| 3| 3| | | 6| 6| 6| 6| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 6| 9| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 0 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 | | | | | | Thymus | + + + + + + + + + + + + I + + + + + + + + + + + +| 49 | Lymphoma Malignant | X | 3 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | | 1 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Subcutaneous Tissue, Fibrosarcoma | | 1 | Subcutaneous Tissue, Hemangiosarcoma | X | 2 | Subcutaneous Tissue, Sarcoma, Poorly | | | Differentiated | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Sarcoma, Metastatic, Skin | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Carcinoma | X | 3 | Sarcoma, Metastatic, Skin | X | 1 | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 10 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1| 3| 3| 3| 0| 3| 3| 3| 3| 3| 0| 3| 3| 3| | | 6| 6| 6| 6| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 6| 9| 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 | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 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 | 0 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X X X | 6 | Carcinoma | X | 1 | |__________________________________________________________________________|____________| Zymbal's Gland | + | 1 | Carcinoma | X | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Sarcoma, Metastatic, Skin | X | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | 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 11 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 5| 4| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 4| 4| 8| 4| 4| 4| 4| 4| 4| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + M + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | | Hepatocellular Adenoma | X | Histiocytic Sarcoma | X | Lymphoma Malignant | X X X X | |__________________________________________________________________________| Mesentery | + + | Carcinoma, Metastatic, Mammary Gland | | Histiocytic Sarcoma | X | Lymphoma Malignant | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + M + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | __________________________________________|__________________________________________________________________________| Page 12 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 5| 4| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 4| 4| 8| 4| 4| 4| 4| 4| 4| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tongue | + | |__________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma, Metastatic, Mammary Gland | | Lymphoma Malignant | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma, Metastatic, Mammary Gland | | Capsule, Adenoma | X | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Pheochromocytoma Benign | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X | Carcinoma | X | Lymphoma Malignant | X | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + M + + + + + + + + + + +| Pars Distalis, Adenoma | X X| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | __________________________________________|__________________________________________________________________________| Page 13 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 5| 4| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 4| 4| 8| 4| 4| 4| 4| 4| 4| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Luteoma | | Lymphoma Malignant | | Tubulostromal Adenoma | X | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | Hemangiosarcoma | | Histiocytic Sarcoma | X | Polyp Stromal | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Lymphoma Malignant | | |__________________________________________________________________________| Lymph Node | + + + | Lymphoma Malignant | X | Iliac, Histiocytic Sarcoma | X | Iliac, Lymphoma Malignant | X | Mediastinal, Lymphoma Malignant | X X | Renal, Lymphoma Malignant | X | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + M + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | X X | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + M + + + + + + + + + + + +| Lymphoma Malignant | X X X | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X X | __________________________________________|__________________________________________________________________________| Page 14 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 5| 4| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 4| 4| 8| 4| 4| 4| 4| 4| 4| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Lymphoma Malignant | X X X X X X | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Lymphoma | | Malignant | | Subcutaneous Tissue, Melanoma Benign | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | Lymphoma Malignant | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma, Metastatic, Mammary Gland | | Histiocytic Sarcoma | X | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X | __________________________________________|__________________________________________________________________________| Page 15 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 3| 6| 3| 3| 3| 3| 3| 3| 3| | 4| 4| 4| 5| 4| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 4| 4| 8| 4| 4| 4| 4| 4| 4| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Carcinoma, Metastatic, Mammary Gland | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Carcinoma | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma, Metastatic, Mammary Gland | | Lymphoma Malignant | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | | __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | X X X X X X | __________________________________________|__________________________________________________________________________| Page 16 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 5| 3| 2| 3| 3| 3| 3| 2| 0| 3| 3| 0| 3| 3| 3| 3| | | 6| 6| 6| 6| 6| 2| 5| 5| 7| 6| 5| 7| 5| 5| 5| 6| 1| 2| 6| 6| 5| 7| 7| 7| 7| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Gallbladder | + + + + + A + + A + + A + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + I + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + A + + + + + A + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + I + + A + + A + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + A + + A + + + + + + + + + + + + +| 48 | Lymphoma Malignant | X | 2 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + A + + A + + A + + + + + + + + A + + + +| 45 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma | X X | 2 | Hepatocellular Adenoma | X X X X | 5 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X X | 6 | |__________________________________________________________________________|____________| Mesentery | + + + + + | 7 | Carcinoma, Metastatic, Mammary Gland | X | 1 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Pancreas | + + + + + A + + + + + M + + + + + + + + + + + + +| 48 | Lymphoma Malignant | X | 3 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + A + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________|____________| * : 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 17 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 5| 3| 2| 3| 3| 3| 3| 2| 0| 3| 3| 0| 3| 3| 3| 3| | | 6| 6| 6| 6| 6| 2| 5| 5| 7| 6| 5| 7| 5| 5| 5| 6| 1| 2| 6| 6| 5| 7| 7| 7| 7| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 - cont | | | | | | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + A + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Tongue | + + | 3 | |__________________________________________________________________________|____________| Tooth | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + | 1 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma, Metastatic, Mammary Gland | X | 1 | Lymphoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma, Metastatic, Mammary Gland | X | 1 | Capsule, Adenoma | | 1 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pheochromocytoma Benign | X | 1 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + A + + + + + M + + + + + + + + + + + + +| 48 | Adenoma | X | 3 | Carcinoma | | 1 | Lymphoma 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 18 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 5| 3| 2| 3| 3| 3| 3| 2| 0| 3| 3| 0| 3| 3| 3| 3| | | 6| 6| 6| 6| 6| 2| 5| 5| 7| 6| 5| 7| 5| 5| 5| 6| 1| 2| 6| 6| 5| 7| 7| 7| 7| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | | | | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + M M + + + + + + + + + + M + + + + + + +| 46 | Pars Distalis, Adenoma | X X| 4 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Ovary | + + + M + + + + + + + + + + + + + + + + + + + + +| 49 | Hemangiosarcoma | | 1 | Luteoma | X | 1 | Lymphoma Malignant | X | 1 | Tubulostromal Adenoma | | 1 | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | X | 1 | Hemangiosarcoma | X | 1 | Histiocytic Sarcoma | | 1 | Polyp Stromal | X X | 2 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | | 1 | 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 19 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 5| 3| 2| 3| 3| 3| 3| 2| 0| 3| 3| 0| 3| 3| 3| 3| | | 6| 6| 6| 6| 6| 2| 5| 5| 7| 6| 5| 7| 5| 5| 5| 6| 1| 2| 6| 6| 5| 7| 7| 7| 7| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 | + + + + + + | 9 | Lymphoma Malignant | | 1 | Iliac, Histiocytic Sarcoma | | 1 | Iliac, Lymphoma Malignant | X | 2 | Mediastinal, Lymphoma Malignant | X | 3 | Renal, Lymphoma Malignant | X | 2 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + M + + + + M + + + + + + + +| 47 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X | 3 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + A + + + + + M + + + + + + + + + + + + +| 47 | Lymphoma Malignant | X X X | 6 | |__________________________________________________________________________|____________| Spleen | + + + + + A + + + + + + + + + + + + + + + + + + +| 49 | Hemangiosarcoma | | 2 | Lymphoma Malignant | X X X X | 10 | |__________________________________________________________________________|____________| Thymus | + M + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | X | 4 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | X | 1 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Subcutaneous Tissue, Lymphoma | | | Malignant | X | 1 | Subcutaneous Tissue, Melanoma Benign | 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 20 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 5| 3| 2| 3| 3| 3| 3| 2| 0| 3| 3| 0| 3| 3| 3| 3| | | 6| 6| 6| 6| 6| 2| 5| 5| 7| 6| 5| 7| 5| 5| 5| 6| 1| 2| 6| 6| 5| 7| 7| 7| 7| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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| | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Lymphoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma, Metastatic, Mammary Gland | X | 1 | Histiocytic Sarcoma | | 1 | |__________________________________________________________________________|____________| Peripheral Nerve | + | 2 | |__________________________________________________________________________|____________| Spinal Cord | + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X X X X | 8 | Carcinoma, Metastatic, Mammary Gland | X | 1 | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | | 1 | Carcinoma | 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 21 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 9| 5| 3| 2| 3| 3| 3| 3| 2| 0| 3| 3| 0| 3| 3| 3| 3| | | 6| 6| 6| 6| 6| 2| 5| 5| 7| 6| 5| 7| 5| 5| 5| 6| 1| 2| 6| 6| 5| 7| 7| 7| 7| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma, Metastatic, Mammary Gland | X | 1 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X | 1 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X X X X | 10 | __________________________________________________________________________________________________________________________________ * : 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: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| | 7| 0| 7| 7| 7| 4| 4| 4| 4| 2| 5| 5| 5| 5| 5| 4| 4| 7| 4| 4| 5| 5| 5| 9| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + I + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Carcinoma, Metastatic, | | Stomach, Forestomach | X | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + A + + + + + + + A + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + A + + + + + + + + + + + + + + +| Carcinoma | X X | |__________________________________________________________________________| Intestine Small, Jejunum | + A + + + + + + + + + + + + + + + A + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | X | Squamous Cell Carcinoma, Metastatic, | | Stomach, Forestomach | | |__________________________________________________________________________| Mesentery | + + + + | Lymphoma Malignant | X | Squamous Cell Carcinoma, Metastatic, | | Stomach, Forestomach | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + M + + + + + + +| Lymphoma Malignant | X| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 23 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| | 7| 0| 7| 7| 7| 4| 4| 4| 4| 2| 5| 5| 5| 5| 5| 4| 4| 7| 4| 4| 5| 5| 5| 9| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | Squamous Cell Carcinoma | X | Squamous Cell Papilloma | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | Squamous Cell Carcinoma, Metastatic, | | Stomach, Forestomach | X | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + A + + + + + + + + + + + + + + + M + + + + + + +| Carcinoma | X | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Adenoma | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | Follicular Cell, Adenoma | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | __________________________________________|__________________________________________________________________________| Page 24 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| | 7| 0| 7| 7| 7| 4| 4| 4| 4| 2| 5| 5| 5| 5| 5| 4| 4| 7| 4| 4| 5| 5| 5| 9| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cystadenoma | X | Histiocytic Sarcoma | X | Luteoma | X X| Lymphoma Malignant | X | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X X | Leiomyoma | X | Lymphoma Malignant | X | Sarcoma Stromal | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X | |__________________________________________________________________________| Lymph Node | + + + + + +| Axillary, Lymphoma Malignant | X | Iliac, Lymphoma Malignant | | Mediastinal, Lymphoma Malignant | X X| Pancreatic, Lymphoma Malignant | X X X| Pancreatic, Squamous Cell Carcinoma, | | Metastatic, Stomach, Forestomach| X | Popliteal, Lymphoma Malignant | | Renal, Lymphoma Malignant | X X | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + M + + + + + + + + + + + + + + +| Lymphoma Malignant | X X| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X X X| |__________________________________________________________________________| Spleen | + A + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 25 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| | 7| 0| 7| 7| 7| 4| 4| 4| 4| 2| 5| 5| 5| 5| 5| 4| 4| 7| 4| 4| 5| 5| 5| 9| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 625 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 | | | | Histiocytic Sarcoma | X | Lymphoma Malignant | X X X X| |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Basal Cell Carcinoma | X | Subcutaneous Tissue, Lymphoma | | Malignant | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | Squamous Cell Carcinoma, Metastatic, | | Stomach, Forestomach | X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | X X X X | Alveolar/Bronchiolar Carcinoma | | Lymphoma Malignant | X | __________________________________________|__________________________________________________________________________| Page 26 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| DAY ON TEST | 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0| 3| 3| 3| 3| 3| 3| 3| | 7| 0| 7| 7| 7| 4| 4| 4| 4| 2| 5| 5| 5| 5| 5| 4| 4| 7| 4| 4| 5| 5| 5| 9| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 625 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| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X X X X | Lymphoma Malignant | | |__________________________________________________________________________| Zymbal's Gland | + | Carcinoma | X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | X X| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X X X | Lymphoma Malignant | X X X X X| __________________________________________|__________________________________________________________________________| Page 27 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3| | | 5| 5| 5| 5| 5| 6| 5| 1| 6| 6| 5| 5| 5| 5| 4| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | 625 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 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Squamous Cell Carcinoma, Metastatic, | | | Stomach, Forestomach | | 1 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + M + + + + + + A + + + + + + + + + +| 46 | Lymphoma Malignant | | 1 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Carcinoma | | 2 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X X X X X| 6 | Squamous Cell Carcinoma, Metastatic, | | | Stomach, Forestomach | X | 1 | |__________________________________________________________________________|____________| Mesentery | + + + | 7 | Lymphoma Malignant | X | 2 | Squamous Cell Carcinoma, Metastatic, | | | Stomach, Forestomach | 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 28 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3| | | 5| 5| 5| 5| 5| 6| 5| 1| 6| 6| 5| 5| 5| 5| 4| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | 625 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 - cont | | | | | | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Lymphoma Malignant | X X | 3 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X | 4 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | Squamous Cell Carcinoma | X | 2 | Squamous Cell Papilloma | X | 1 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 2 | Squamous Cell Carcinoma, Metastatic, | | | Stomach, Forestomach | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 2 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + A + + + + + + + + + +| 47 | Carcinoma | | 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 29 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3| | | 5| 5| 5| 5| 5| 6| 5| 1| 6| 6| 5| 5| 5| 5| 4| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | 625 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 | | | | | | Parathyroid Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Adenoma | X X X | 3 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | Follicular Cell, Adenoma | X | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Ovary | + + I + + + + + + + + + + + + + + + + + + + + + +| 49 | Cystadenoma | | 1 | Histiocytic Sarcoma | | 1 | Luteoma | | 2 | Lymphoma Malignant | X X | 3 | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 2 | Leiomyoma | | 1 | Lymphoma Malignant | X X | 3 | Sarcoma Stromal | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | 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 30 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3| | | 5| 5| 5| 5| 5| 6| 5| 1| 6| 6| 5| 5| 5| 5| 4| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | 625 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 | + + + + + +| 12 | Axillary, Lymphoma Malignant | X | 2 | Iliac, Lymphoma Malignant | X X X | 3 | Mediastinal, Lymphoma Malignant | X X X| 5 | Pancreatic, Lymphoma Malignant | X X X X| 7 | Pancreatic, Squamous Cell Carcinoma, | | | Metastatic, Stomach, Forestomach| | 1 | Popliteal, Lymphoma Malignant | X | 1 | Renal, Lymphoma Malignant | X X | 4 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + M + + + + + + +| 48 | Lymphoma Malignant | X X X | 5 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Lymphoma Malignant | X X X X X X | 10 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X X X X X X X| 11 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X | 4 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basal Cell Carcinoma | | 1 | Subcutaneous Tissue, Lymphoma | | | 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 31 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3| | | 5| 5| 5| 5| 5| 6| 5| 1| 6| 6| 5| 5| 5| 5| 4| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | 625 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| | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + | 2 | Squamous Cell Carcinoma, Metastatic, | | | Stomach, Forestomach | X | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X X X X X X | 12 | Alveolar/Bronchiolar Adenoma, | | | Multiple | | 4 | Alveolar/Bronchiolar Carcinoma | X X | 2 | Lymphoma Malignant | X X X | 4 | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | | 5 | 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 32 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 3| 8| 3| 3| 3| 3| 3| 8| 3| 3| 3| | | 5| 5| 5| 5| 5| 6| 5| 1| 6| 6| 5| 5| 5| 5| 4| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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 | 625 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 | | | | | | Zymbal's Gland | | 1 | Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X X | 4 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X | 2 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 3 | Lymphoma Malignant | 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 33 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 4| 2| 2| 8| 5| 3| 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 4| 9| 0| 9| 9| 7| 2| 5| 5| 5| 5| 7| 7| 7| 7| 7| 5| 5| 5| 5| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + A + + + M + + + + + + + + + + +| Histiocytic Sarcoma | X | |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + A + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | | Hepatocellular Adenoma | | Histiocytic Sarcoma | X | Lymphoma Malignant | X X X | Mast Cell Tumor Malignant | | |__________________________________________________________________________| Mesentery | | Lymphoma Malignant | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + M + + + + +| Lymphoma Malignant | X X | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 34 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 4| 2| 2| 8| 5| 3| 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 4| 9| 0| 9| 9| 7| 2| 5| 5| 5| 5| 7| 7| 7| 7| 7| 5| 5| 5| 5| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Squamous Cell Papilloma | X X | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | | Lymphoma Malignant | | |__________________________________________________________________________| Tongue | + | |__________________________________________________________________________| Tooth | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Pheochromocytoma Malignant | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + M + + + + + + + + + + + M + + M + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | Pars Distalis, Adenoma | X | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + M + + M + +| Follicular Cell, Adenoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 35 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 4| 2| 2| 8| 5| 3| 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 4| 9| 0| 9| 9| 7| 2| 5| 5| 5| 5| 7| 7| 7| 7| 7| 5| 5| 5| 5| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM - cont | | | | Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cystadenoma | X | Luteoma | X | Lymphoma Malignant | X | Tubulostromal Adenoma | X | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | Histiocytic Sarcoma | X | Lymphoma Malignant | | Polyp Stromal | X X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | Histiocytic Sarcoma | X | Lymphoma Malignant | | Mast Cell Tumor Malignant | | |__________________________________________________________________________| Lymph Node | + + + + | Axillary, Lymphoma Malignant | X | Bronchial, Lymphoma Malignant | X | Deep Cervical, Lymphoma Malignant | X | Iliac, Lymphoma Malignant | X X | Inguinal, Lymphoma Malignant | X | Mediastinal, Histiocytic Sarcoma | X | Mediastinal, Lymphoma Malignant | X | Pancreatic, Lymphoma Malignant | | Popliteal, Lymphoma Malignant | X | __________________________________________|__________________________________________________________________________| Page 36 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 4| 2| 2| 8| 5| 3| 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 4| 9| 0| 9| 9| 7| 2| 5| 5| 5| 5| 7| 7| 7| 7| 7| 5| 5| 5| 5| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 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 | | | | Renal, Lymphoma Malignant | X X | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + M + + + + +| Lymphoma Malignant | X X X | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | X X X X X | Mast Cell Tumor Malignant | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + A + + + + +| Lymphoma Malignant | X X X X X | Mast Cell Tumor Malignant | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + A + + + + + + + + + + + + + + +| Adenoma | X| Carcinoma | X | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Fibrosarcoma | | Subcutaneous Tissue, Hemangiosarcoma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Osteosarcoma | X | |__________________________________________________________________________| Skeletal Muscle | + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 37 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 4| 2| 2| 8| 5| 3| 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 4| 9| 0| 9| 9| 7| 2| 5| 5| 5| 5| 7| 7| 7| 7| 7| 5| 5| 5| 5| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 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| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | | | Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | Mast Cell Tumor Malignant | | |__________________________________________________________________________| Peripheral Nerve | + + | |__________________________________________________________________________| Spinal Cord | + | Osteosarcoma, Metastatic, Bone | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | X | Alveolar/Bronchiolar Carcinoma | X X X X| Alveolar/Bronchiolar Carcinoma, | | Multiple | X | Histiocytic Sarcoma | X | Lymphoma Malignant | X | Mast Cell Tumor Malignant | | Osteosarcoma, Metastatic, Bone | X | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X | Carcinoma | | Lymphoma Malignant | | __________________________________________|__________________________________________________________________________| Page 38 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 2| 4| 2| 2| 8| 5| 3| 3| 3| 3| 3| 3| 3| 3| 4| 3| 3| 3| 3| 3| | 4| 4| 4| 4| 4| 9| 0| 9| 9| 7| 2| 5| 5| 5| 5| 7| 7| 7| 7| 7| 5| 5| 5| 5| 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| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Histiocytic Sarcoma | X | Lymphoma Malignant | X X X X X X | __________________________________________|__________________________________________________________________________| Page 39 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 6| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 1| 3| 8| 3| 2| 2| 2| 0| 2| 3| 3| 6| 3| 3| | | 5| 5| 5| 5| 7| 4| 4| 4| 4| 4| 6| 1| 6| 5| 6| 9| 9| 9| 9| 9| 3| 5| 9| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| 4| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + I + A + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + A + + + + + + + + A + + + +| 46 | Histiocytic Sarcoma | | 1 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + A + M + +| 48 | Histiocytic Sarcoma | | 1 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + A + + + + + + + + A + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + A + + + +| 48 | Lymphoma Malignant | X X X | 4 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma | X | 1 | Hepatocellular Adenoma | X | 1 | Histiocytic Sarcoma | X | 2 | Lymphoma Malignant | X X X X | 7 | Mast Cell Tumor Malignant | X | 1 | |__________________________________________________________________________|____________| Mesentery | + + + + | 4 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | Lymphoma Malignant | X X X | 5 | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 40 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 6| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 1| 3| 8| 3| 2| 2| 2| 0| 2| 3| 3| 6| 3| 3| | | 5| 5| 5| 5| 7| 4| 4| 4| 4| 4| 6| 1| 6| 5| 6| 9| 9| 9| 9| 9| 3| 5| 9| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| 4| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 - cont | | | | | | Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | X X | 4 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Squamous Cell Papilloma | | 2 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | Adenoma | X | 1 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Tongue | + + | 3 | |__________________________________________________________________________|____________| Tooth | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X | 2 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pheochromocytoma Malignant | X | 1 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| 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 41 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 6| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 1| 3| 8| 3| 2| 2| 2| 0| 2| 3| 3| 6| 3| 3| | | 5| 5| 5| 5| 7| 4| 4| 4| 4| 4| 6| 1| 6| 5| 6| 9| 9| 9| 9| 9| 3| 5| 9| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| 4| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 | | | | | | Lymphoma Malignant | X | 1 | Pars Distalis, Adenoma | X | 2 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Follicular Cell, Adenoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cystadenoma | | 1 | Luteoma | X | 2 | Lymphoma Malignant | X X X | 4 | Tubulostromal Adenoma | | 1 | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | Histiocytic Sarcoma | X | 2 | Lymphoma Malignant | X X | 2 | Polyp Stromal | | 2 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X X X | 3 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 42 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 6| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 1| 3| 8| 3| 2| 2| 2| 0| 2| 3| 3| 6| 3| 3| | | 5| 5| 5| 5| 7| 4| 4| 4| 4| 4| 6| 1| 6| 5| 6| 9| 9| 9| 9| 9| 3| 5| 9| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| 4| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 | | | | | | Mast Cell Tumor Malignant | X | 1 | |__________________________________________________________________________|____________| Lymph Node | + + + | 7 | Axillary, Lymphoma Malignant | X | 2 | Bronchial, Lymphoma Malignant | | 1 | Deep Cervical, Lymphoma Malignant | | 1 | Iliac, Lymphoma Malignant | | 2 | Inguinal, Lymphoma Malignant | X X | 3 | Mediastinal, Histiocytic Sarcoma | | 1 | Mediastinal, Lymphoma Malignant | X | 2 | Pancreatic, Lymphoma Malignant | X | 1 | Popliteal, Lymphoma Malignant | | 1 | Renal, Lymphoma Malignant | X X | 4 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + M + + + + + + + + + + + + + + + +| 48 | Lymphoma Malignant | X X X X | 7 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | | 1 | Lymphoma Malignant | X X X X X X | 11 | Mast Cell Tumor Malignant | X | 1 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | X X X X X X X | 12 | Mast Cell Tumor Malignant | X | 1 | |__________________________________________________________________________|____________| Thymus | + + M + + + + + + + + + + + + + + + + + + + + M +| 48 | Lymphoma Malignant | X X X X | 6 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 43 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 6| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 1| 3| 8| 3| 2| 2| 2| 0| 2| 3| 3| 6| 3| 3| | | 5| 5| 5| 5| 7| 4| 4| 4| 4| 4| 6| 1| 6| 5| 6| 9| 9| 9| 9| 9| 3| 5| 9| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| 4| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | | | | Adenoma | | 1 | Carcinoma | | 1 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Subcutaneous Tissue, Fibrosarcoma | X | 1 | Subcutaneous Tissue, Hemangiosarcoma | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Osteosarcoma | | 1 | |__________________________________________________________________________|____________| Skeletal Muscle | | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | Mast Cell Tumor Malignant | X | 1 | |__________________________________________________________________________|____________| Peripheral Nerve | | 2 | |__________________________________________________________________________|____________| Spinal Cord | | 1 | Osteosarcoma, Metastatic, Bone | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X | 6 | Alveolar/Bronchiolar Adenoma, | | | Multiple | X | 2 | Alveolar/Bronchiolar Carcinoma | 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 44 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 7| 7| 7| 5| 7| 7| | DAY ON TEST | 6| 3| 3| 3| 4| 3| 3| 3| 3| 3| 3| 1| 3| 8| 3| 2| 2| 2| 0| 2| 3| 3| 6| 3| 3| | | 5| 5| 5| 5| 7| 4| 4| 4| 4| 4| 6| 1| 6| 5| 6| 9| 9| 9| 9| 9| 3| 5| 9| 5| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE 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| 4| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | | | | Alveolar/Bronchiolar Carcinoma, | | | Multiple | | 1 | Histiocytic Sarcoma | X | 2 | Lymphoma Malignant | X X X X | 5 | Mast Cell Tumor Malignant | X | 1 | Osteosarcoma, Metastatic, Bone | | 1 | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X | 2 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X X X X | 6 | Carcinoma | X X | 2 | Lymphoma Malignant | X X | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X X | 4 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X | 2 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Histiocytic Sarcoma | X | 2 | Lymphoma Malignant | X X X X X X X | 13 | __________________________________________________________________________________________________________________________________ * : 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: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 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| DAY ON TEST | 1| 3| 2| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 2| 2| 3| 3| 3| | 5| 3| 9| 0| 9| 9| 9| 0| 3| 0| 3| 0| 3| 0| 0| 0| 9| 3| 9| 0| 9| 9| 0| 0| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | A + + + + + + + + + + + + + + + + + + + + + A + M| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | A + + + + + + + + + + + + + + + + + + + + + A + +| Lymphoma Malignant | X | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X X X| Hepatocellular Carcinoma, Multiple | | Hepatocellular Adenoma | X X X X X X | Hepatocellular Adenoma, Multiple | X | |__________________________________________________________________________| Mesentery | + + + | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Carcinoma | X | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tongue | + + | __________________________________________|__________________________________________________________________________| Page 46 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 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| DAY ON TEST | 1| 3| 2| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 2| 2| 3| 3| 3| | 5| 3| 9| 0| 9| 9| 9| 0| 3| 0| 3| 0| 3| 0| 0| 0| 9| 3| 9| 0| 9| 9| 0| 0| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | |__________________________________________________________________________| Tooth | + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Capsule, Adenoma | X | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | M + + + + + + + + + + + + + + + + + + + + + M + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Tissue NOS | + | Schwannoma Malignant | X | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 47 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 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| DAY ON TEST | 1| 3| 2| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 2| 2| 3| 3| 3| | 5| 3| 9| 0| 9| 9| 9| 0| 3| 0| 3| 0| 3| 0| 0| 0| 9| 3| 9| 0| 9| 9| 0| 0| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | | | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Lymphoma Malignant | | |__________________________________________________________________________| Lymph Node | | Mediastinal, Lymphoma Malignant | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | M + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + M + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | Hemangiosarcoma | X | __________________________________________|__________________________________________________________________________| Page 48 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 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| DAY ON TEST | 1| 3| 2| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 2| 2| 3| 3| 3| | 5| 3| 9| 0| 9| 9| 9| 0| 3| 0| 3| 0| 3| 0| 0| 0| 9| 3| 9| 0| 9| 9| 0| 0| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 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| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X| Alveolar/Bronchiolar Adenoma, | | Multiple | X | Alveolar/Bronchiolar Carcinoma | | Hepatocellular Carcinoma, Metastatic,| | Liver | X | Schwannoma Malignant, Metastatic, | | Tissue NOS | X | Mediastinum, Hemangiosarcoma | X | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X | Adenoma, Multiple | X | Carcinoma | X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma, Metastatic,| | Liver | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 49 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________|__________________________________________________________________________ | 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| DAY ON TEST | 1| 3| 2| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 3| 2| 2| 3| 3| 3| | 5| 3| 9| 0| 9| 9| 9| 0| 3| 0| 3| 0| 3| 0| 0| 0| 9| 3| 9| 0| 9| 9| 0| 0| 3| _____________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 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 - cont | | | | Lymphoma Malignant | X | __________________________________________|__________________________________________________________________________| Page 50 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 5| 3| 8| 2| 3| 3| 1| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 9| | | 0| 3| 3| 9| 3| 3| 0| 9| 3| 5| 9| 3| 0| 3| 0| 0| 9| 9| 0| 3| 0| 3| 9| 3| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 0 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 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + A + + + M + + + + + + + + + + M| 44 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Lymphoma Malignant | | 1 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | Lymphoma Malignant | | 1 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma | X X X X | 8 | Hepatocellular Carcinoma, Multiple | X X| 2 | Hepatocellular Adenoma | X X X X X X X X | 14 | Hepatocellular Adenoma, Multiple | X X | 3 | |__________________________________________________________________________|____________| Mesentery | + | 4 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | Squamous Cell Carcinoma | | 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 51 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 5| 3| 8| 2| 3| 3| 1| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 9| | | 0| 3| 3| 9| 3| 3| 0| 9| 3| 5| 9| 3| 0| 3| 0| 0| 9| 9| 0| 3| 0| 3| 9| 3| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 0 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 - cont | | | | | | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Tongue | + + | 4 | |__________________________________________________________________________|____________| Tooth | + | 4 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | | 1 | Capsule, Adenoma | X X | 3 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + A| 49 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| 49 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Adenoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Tissue NOS | | 1 | Schwannoma 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 52 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 5| 3| 8| 2| 3| 3| 1| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 9| | | 0| 3| 3| 9| 3| 3| 0| 9| 3| 5| 9| 3| 0| 3| 0| 0| 9| 9| 0| 3| 0| 3| 9| 3| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 0 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| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | | 1 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Lymph Node | + + | 2 | Mediastinal, Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + M + M + + + + +| 48 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | X X | 3 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + M + + + + + + + + + + + + +| 49 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + M + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary 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 53 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 5| 3| 8| 2| 3| 3| 1| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 9| | | 0| 3| 3| 9| 3| 3| 0| 9| 3| 5| 9| 3| 0| 3| 0| 0| 9| 9| 0| 3| 0| 3| 9| 3| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 0 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| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | | | | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | | 1 | Hemangiosarcoma | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X X | 6 | Alveolar/Bronchiolar Adenoma, | | | Multiple | X | 2 | Alveolar/Bronchiolar Carcinoma | X X | 2 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X| 3 | Schwannoma Malignant, Metastatic, | | | Tissue NOS | | 1 | Mediastinum, Hemangiosarcoma | | 1 | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 54 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 4| 7| 6| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 2| 3| 3| 3| 5| 3| 8| 2| 3| 3| 1| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 9| | | 0| 3| 3| 9| 3| 3| 0| 9| 3| 5| 9| 3| 0| 3| 0| 0| 9| 9| 0| 3| 0| 3| 9| 3| 5| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| A | 0 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X X | 3 | Adenoma, Multiple | | 1 | Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X| 1 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X | 3 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 55 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 2| 2| 3| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 1| 8| 3| 3| 2| 3| | 5| 9| 9| 3| 0| 9| 0| 3| 3| 3| 9| 0| 0| 0| 9| 9| 9| 0| 3| 6| 6| 3| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + A A + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + I + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + A + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + A + + + +| Carcinoma | X | Polyp Adenomatous | | |__________________________________________________________________________| Intestine Small, Jejunum | A + + + + + + + + + + + + + + + + + + + A + + + +| Carcinoma | | Lymphoma Malignant | X | |__________________________________________________________________________| Intestine Small, Ileum | A + + + + + + + + + + + + + + + + M + + A + + M +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma | X X X | Hepatocellular Carcinoma, Multiple | X | Hepatocellular Adenoma | X X X| Hepatocellular Adenoma, Multiple | | Lymphoma Malignant | X | |__________________________________________________________________________| Mesentery | + + | Hemangiosarcoma | | Hepatocellular Carcinoma, Metastatic,| | Liver | | Sarcoma, Poorly Differentiated | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + A + + + +| Lymphoma Malignant | X | Sarcoma, Metastatic, Mesentery | | __________________________________________|__________________________________________________________________________| Page 56 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 2| 2| 3| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 1| 8| 3| 3| 2| 3| | 5| 9| 9| 3| 0| 9| 0| 3| 3| 3| 9| 0| 0| 0| 9| 9| 9| 0| 3| 6| 6| 3| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Papilloma | X X | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tongue | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Adenoma | X | Capsule, Carcinoma | X | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + A + + + +| Adenoma | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| Pars Distalis, Adenoma | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Adenoma | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 2| 2| 3| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 1| 8| 3| 3| 2| 3| | 5| 9| 9| 3| 0| 9| 0| 3| 3| 3| 9| 0| 0| 0| 9| 9| 9| 0| 3| 6| 6| 3| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Penis | + | |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Interstitial Cell, Adenoma | X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | |__________________________________________________________________________| Lymph Node | + + | Pancreatic, Lymphoma Malignant | X X | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X X | |__________________________________________________________________________| Lymph Node, Mesenteric | M + + + + + + + + + + + + + + + + + + + A + + + +| Lymphoma Malignant | X X | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + A + + + +| Hemangiosarcoma | | Lymphoma Malignant | X X | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + M + + + +| Lymphoma Malignant | X | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 58 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 2| 2| 3| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 1| 8| 3| 3| 2| 3| | 5| 9| 9| 3| 0| 9| 0| 3| 3| 3| 9| 0| 0| 0| 9| 9| 9| 0| 3| 6| 6| 3| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Carcinoma | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | Sarcoma, Metastatic, Mesentery | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | | Alveolar/Bronchiolar Carcinoma | X | Alveolar/Bronchiolar Carcinoma, | | Multiple | | Hepatocellular Carcinoma, Metastatic,| | Liver | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 59 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| DAY ON TEST | 3| 2| 2| 3| 3| 2| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| 2| 3| 3| 1| 8| 3| 3| 2| 3| | 5| 9| 9| 3| 0| 9| 0| 3| 3| 3| 9| 0| 0| 0| 9| 9| 9| 0| 3| 6| 6| 3| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 312 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 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 | | | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X X | Bilateral, Adenoma | | Bilateral, Carcinoma | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X X X | __________________________________________|__________________________________________________________________________| Page 60 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 2| 3| 3| 3| 1| 3| 2| 3| 2| 3| 3| 2| 2| 3| 3| 3| 3| 3| 3| 1| 2| 7| 2| | | 9| 0| 9| 0| 0| 3| 3| 3| 9| 3| 9| 3| 0| 9| 9| 0| 3| 0| 0| 0| 0| 5| 9| 6| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + + + + + + + M + + M + + +| 46 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Carcinoma | X | 2 | Polyp Adenomatous | X | 1 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + A +| 47 | Carcinoma | X | 1 | Lymphoma Malignant | | 1 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatocellular Carcinoma | X X X X X X X X | 11 | Hepatocellular Carcinoma, Multiple | X | 2 | Hepatocellular Adenoma | X X X X | 7 | Hepatocellular Adenoma, Multiple | X X | 2 | Lymphoma Malignant | | 1 | |__________________________________________________________________________|____________| Mesentery | + + + + +| 7 | Hemangiosarcoma | X | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X | 1 | Sarcoma, Poorly Differentiated | 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 61 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 2| 3| 3| 3| 1| 3| 2| 3| 2| 3| 3| 2| 2| 3| 3| 3| 3| 3| 3| 1| 2| 7| 2| | | 9| 0| 9| 0| 0| 3| 3| 3| 9| 3| 9| 3| 0| 9| 9| 0| 3| 0| 0| 0| 0| 5| 9| 6| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 - cont | | | | | | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | | 1 | Sarcoma, Metastatic, Mesentery | X | 1 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Squamous Cell Papilloma | | 2 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Tongue | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Capsule, Adenoma | | 1 | Capsule, Carcinoma | | 1 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Adenoma | X | 1 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| 48 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 62 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 2| 3| 3| 3| 1| 3| 2| 3| 2| 3| 3| 2| 2| 3| 3| 3| 3| 3| 3| 1| 2| 7| 2| | | 9| 0| 9| 0| 0| 3| 3| 3| 9| 3| 9| 3| 0| 9| 9| 0| 3| 0| 0| 0| 0| 5| 9| 6| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | | | | Pars Distalis, Adenoma | X | 1 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Adenoma | | 1 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Penis | | 1 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | | 1 | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Interstitial Cell, Adenoma | X| 2 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | |__________________________________________________________________________|____________| Lymph Node | | 2 | Pancreatic, 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 63 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 2| 3| 3| 3| 1| 3| 2| 3| 2| 3| 3| 2| 2| 3| 3| 3| 3| 3| 3| 1| 2| 7| 2| | | 9| 0| 9| 0| 0| 3| 3| 3| 9| 3| 9| 3| 0| 9| 9| 0| 3| 0| 0| 0| 0| 5| 9| 6| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | | 3 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Lymphoma Malignant | | 2 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemangiosarcoma | X | 1 | Lymphoma Malignant | | 2 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lymphoma Malignant | | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Squamous Cell Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + + | 2 | Sarcoma, Metastatic, Mesentery | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | 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 64 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 2| 3| 2| 3| 3| 3| 1| 3| 2| 3| 2| 3| 3| 2| 2| 3| 3| 3| 3| 3| 3| 1| 2| 7| 2| | | 9| 0| 9| 0| 0| 3| 3| 3| 9| 3| 9| 3| 0| 9| 9| 0| 3| 0| 0| 0| 0| 5| 9| 6| 9| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| A | 312 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 X X X X | 10 | Alveolar/Bronchiolar Adenoma, | | | Multiple | X | 1 | Alveolar/Bronchiolar Carcinoma | X X| 3 | Alveolar/Bronchiolar Carcinoma, | | | Multiple | X | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X X | 3 | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X X X X X| 8 | Bilateral, Adenoma | X | 1 | Bilateral, Carcinoma | X | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + M + + + + + +| 49 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma 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 65 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 2| 0| 3| 9| 3| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 9| 0| 0| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | M + + + + + + + M + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | Hemangiosarcoma, Multiple | | Hepatocellular Carcinoma | X X X X X X | Hepatocellular Carcinoma, Multiple | | Hepatocellular Adenoma | X X X X X | Hepatocellular Adenoma, Multiple | X | Lymphoma Malignant | | |__________________________________________________________________________| Mesentery | | |__________________________________________________________________________| Oral Mucosa | | Squamous Cell Carcinoma | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 66 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 2| 0| 3| 9| 3| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 9| 0| 0| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatocellular Carcinoma, Metastatic,| | Liver | | |__________________________________________________________________________| Tongue | + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Capsule, Adenoma | | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + M + + + + + + + + +| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 67 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 2| 0| 3| 9| 3| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 9| 0| 0| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 625 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Carcinoma | | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | | Inguinal, Lymphoma Malignant | | |__________________________________________________________________________| Lymph Node, Mandibular | M + + + + + + + + + + + + + + + + + + + + + + M +| Lymphoma Malignant | X | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + I +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 68 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 2| 0| 3| 9| 3| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 9| 0| 0| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 625 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | |__________________________________________________________________________| Skeletal Muscle | | Carcinoma, Metastatic, Prostate | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X X X| Alveolar/Bronchiolar Adenoma, | | Multiple | X X X | Alveolar/Bronchiolar Carcinoma | X X | Carcinoma, Metastatic, Prostate | | Hepatocellular Carcinoma, Metastatic,| | Liver | X | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | | Renal Tubule, Adenoma | X | Renal Tubule, Carcinoma | | __________________________________________|__________________________________________________________________________| Page 69 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 2| 2| 3| 2| 2| 2| 3| 2| 2| 3| 3| 3| 3| 3| 3| | 0| 0| 0| 2| 0| 3| 9| 3| 9| 9| 9| 9| 0| 9| 9| 9| 0| 9| 9| 0| 0| 3| 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| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 625 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________|__________________________________________________________________________| Page 70 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 4| 3| 3| 3| 3| 2| 4| 2| 2| 2| 3| 3| 2| 8| 6| 3| 2| 3| 3| | | 3| 2| 0| 3| 3| 3| 1| 3| 3| 0| 3| 9| 8| 9| 9| 9| 3| 0| 3| 6| 9| 0| 9| 3| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 625 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 | |__________________________________________________________________________|____________| Gallbladder | + A + + + + + + + + + + + + + + + + + A + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Colon | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + A + + + + + + + + + + + + + + + + A A + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + A + + + + + + + + + + + + + + + + + A + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + A + + + + + + + + + + + + + + + + + A + + + + +| 48 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + A + + + M + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | Hemangiosarcoma, Multiple | X | 1 | Hepatocellular Carcinoma | X X X X | 10 | Hepatocellular Carcinoma, Multiple | X | 1 | Hepatocellular Adenoma | X X X X X| 10 | Hepatocellular Adenoma, Multiple | | 1 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Mesentery | + + | 2 | |__________________________________________________________________________|____________| Oral Mucosa | + | 1 | Squamous Cell Carcinoma | X | 1 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 71 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 4| 3| 3| 3| 3| 2| 4| 2| 2| 2| 3| 3| 2| 8| 6| 3| 2| 3| 3| | | 3| 2| 0| 3| 3| 3| 1| 3| 3| 0| 3| 9| 8| 9| 9| 9| 3| 0| 3| 6| 9| 0| 9| 3| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 625 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 - cont | | | | | | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + A + + + + +| 49 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X | 1 | |__________________________________________________________________________|____________| Tongue | | 2 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Capsule, Adenoma | X | 1 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 72 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 4| 3| 3| 3| 3| 2| 4| 2| 2| 2| 3| 3| 2| 8| 6| 3| 2| 3| 3| | | 3| 2| 0| 3| 3| 3| 1| 3| 3| 0| 3| 9| 8| 9| 9| 9| 3| 0| 3| 6| 9| 0| 9| 3| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 625 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| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Carcinoma | X | 1 | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + | 1 | Inguinal, Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Lymphoma Malignant | X X | 3 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + M + + + + + + + + + + + + + + + + + A + + + + +| 48 | Lymphoma Malignant | X X X | 4 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 2 | |__________________________________________________________________________|____________| Thymus | + M + M + + + + + + + + + + + + + + M M + + + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY 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 73 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 4| 3| 3| 3| 3| 2| 4| 2| 2| 2| 3| 3| 2| 8| 6| 3| 2| 3| 3| | | 3| 2| 0| 3| 3| 3| 1| 3| 3| 0| 3| 9| 8| 9| 9| 9| 3| 0| 3| 6| 9| 0| 9| 3| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 625 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| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | | | | Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + | 1 | Carcinoma, Metastatic, Prostate | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X | 10 | Alveolar/Bronchiolar Adenoma, | | | Multiple | | 3 | Alveolar/Bronchiolar Carcinoma | X X | 4 | Carcinoma, Metastatic, Prostate | X | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X | 3 | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 74 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 6| 6| 5| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 3| 3| 3| 3| 4| 3| 3| 3| 3| 2| 4| 2| 2| 2| 3| 3| 2| 8| 6| 3| 2| 3| 3| | | 3| 2| 0| 3| 3| 3| 1| 3| 3| 0| 3| 9| 8| 9| 9| 9| 3| 0| 3| 6| 9| 0| 9| 3| 0| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 625 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X X| 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | Renal Tubule, Adenoma | X | 2 | Renal Tubule, Carcinoma | X | 1 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + I + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X X X | 4 | __________________________________________________________________________________________________________________________________ * : 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 75 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 3| 2| 3| 3| 3| 2| 2| 3| 3| 3| | 3| 3| 3| 3| 3| 0| 0| 7| 0| 0| 3| 9| 3| 9| 9| 0| 9| 0| 0| 0| 8| 9| 3| 3| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 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 | + + + + + I + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Gallbladder | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | Hepatocellular Carcinoma | X X X | Hepatocellular Carcinoma, Multiple | X | Hepatocellular Adenoma | X X X X X | Lymphoma Malignant | | |__________________________________________________________________________| Mesentery | | Hemangiosarcoma | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Squamous Cell Papilloma | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tongue | + + | __________________________________________|__________________________________________________________________________| Page 76 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 3| 2| 3| 3| 3| 2| 2| 3| 3| 3| | 3| 3| 3| 3| 3| 0| 0| 7| 0| 0| 3| 9| 3| 9| 9| 0| 9| 0| 0| 0| 8| 9| 3| 3| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | |__________________________________________________________________________| Tooth | + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 77 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 3| 2| 3| 3| 3| 2| 2| 3| 3| 3| | 3| 3| 3| 3| 3| 0| 0| 7| 0| 0| 3| 9| 3| 9| 9| 0| 9| 0| 0| 0| 8| 9| 3| 3| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + M + + + + + M + + + + + M + M + + + +| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemangiosarcoma | X | Lymphoma Malignant | X | |__________________________________________________________________________| Thymus | + + + + M + + + + + + + M + + + + + + + + + M + +| Lymphoma Malignant | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Sebaceous Gland, Adenoma | X| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | __________________________________________|__________________________________________________________________________| Page 78 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 3| 2| 3| 3| 3| 2| 2| 3| 3| 3| | 3| 3| 3| 3| 3| 0| 0| 7| 0| 0| 3| 9| 3| 9| 9| 0| 9| 0| 0| 0| 8| 9| 3| 3| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 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| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar/Bronchiolar Adenoma | X X X X X X X | Alveolar/Bronchiolar Adenoma, | | Multiple | X | Alveolar/Bronchiolar Carcinoma | X X X X | Alveolar/Bronchiolar Carcinoma, | | Multiple | | Hepatocellular Carcinoma, Metastatic,| | Liver | X | Lymphoma Malignant | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenoma | X X| Adenoma, Multiple | X | Carcinoma | X | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 79 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 3| 2| 2| 3| 2| 3| 3| 3| 2| 2| 3| 3| 3| | 3| 3| 3| 3| 3| 0| 0| 7| 0| 0| 3| 9| 3| 9| 9| 0| 9| 0| 0| 0| 8| 9| 3| 3| 3| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1250 PPM | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| | 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 | | | | Lymphoma Malignant | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| SYSTEMIC LESIONS | | __________________________________________________________________________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| Lymphoma Malignant | X | __________________________________________|__________________________________________________________________________| Page 80 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 2| 3| 2| 3| 3| 5| 3| 3| 2| 3| 2| 3| 3| 3| 3| 3| 3| 3| | | 0| 3| 5| 0| 3| 3| 0| 9| 0| 9| 0| 0| 5| 0| 0| 9| 3| 9| 0| 3| 3| 3| 0| 3| 3| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Gallbladder | + + + + + + + + + + + + M + + + + + + + + + + + M| 48 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + M + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | Hepatocellular Carcinoma | X X X X | 7 | Hepatocellular Carcinoma, Multiple | X X| 3 | Hepatocellular Adenoma | X X X X X X | 11 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Mesentery | + + + | 3 | Hemangiosarcoma | X | 1 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Squamous Cell Papilloma | X X X | 3 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with tumor + : Tissue examined microscopically M : Missing tissue X : Lesion present A : Autolysis precludes evaluation I : Insufficient tissue BLANK : Not examined microscopically Page 81 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 2| 3| 2| 3| 3| 5| 3| 3| 2| 3| 2| 3| 3| 3| 3| 3| 3| 3| | | 0| 3| 5| 0| 3| 3| 0| 9| 0| 9| 0| 0| 5| 0| 0| 9| 3| 9| 0| 3| 3| 3| 0| 3| 3| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 - cont | | | | | | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Tongue | + + | 4 | |__________________________________________________________________________|____________| Tooth | | 3 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | | 1 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X | 1 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL 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 82 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 2| 3| 2| 3| 3| 5| 3| 3| 2| 3| 2| 3| 3| 3| 3| 3| 3| 3| | | 0| 3| 5| 0| 3| 3| 0| 9| 0| 9| 0| 0| 5| 0| 0| 9| 3| 9| 0| 3| 3| 3| 0| 3| 3| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | X | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | | 2 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + + + + + +| 45 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 2 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemangiosarcoma | | 1 | Lymphoma Malignant | X | 2 | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + M + I| 45 | Lymphoma Malignant | X | 1 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY 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 83 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 2| 3| 2| 3| 3| 5| 3| 3| 2| 3| 2| 3| 3| 3| 3| 3| 3| 3| | | 0| 3| 5| 0| 3| 3| 0| 9| 0| 9| 0| 0| 5| 0| 0| 9| 3| 9| 0| 3| 3| 3| 0| 3| 3| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | | | | Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + I + + + + + + + +| 49 | Sebaceous Gland, Adenoma | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Peripheral Nerve | + | 2 | |__________________________________________________________________________|____________| Spinal Cord | + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar/Bronchiolar Adenoma | X X X X X X X | 14 | Alveolar/Bronchiolar Adenoma, | | | Multiple | | 1 | Alveolar/Bronchiolar Carcinoma | X X X | 7 | Alveolar/Bronchiolar Carcinoma, | | | Multiple | X | 1 | Hepatocellular Carcinoma, Metastatic,| | | Liver | X X | 3 | 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 84 NTP Experiment-Test: 92013-06 NEOPLASMS BY INDIVIDUAL ANIMAL Report: PEIRPT04 Study Type: CHRONIC 4-METHYLIMIDAZOLE Date: 01/12/04 Route: DOSED FEED Time: 14:34:40 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 4| 3| 3| 3| 3| 2| 3| 2| 3| 3| 5| 3| 3| 2| 3| 2| 3| 3| 3| 3| 3| 3| 3| | | 0| 3| 5| 0| 3| 3| 0| 9| 0| 9| 0| 0| 5| 0| 0| 9| 3| 9| 0| 3| 3| 3| 0| 3| 3| | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| A | 1250 PPM | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 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 | | | | | | Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Adenoma | X X X X | 6 | Adenoma, Multiple | | 1 | Carcinoma | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | X | 1 | |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS | | | __________________________________________________________________________|____________| Multiple Organs | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lymphoma Malignant | 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 85 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------