TDMS Study 96010-03 Pathology Tables
NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 FINAL#1/RATS Facility: Southern Research Institute Chemical CAS #: 7775-09-9 Lock Date: 10/16/01 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All a Number of animals examined microscopically at site and number of animals with lesion Page 1 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 50 50 50 50 Early Deaths Natural Death 3 3 6 5 Moribund Sacrifice 10 11 11 4 Survivors Terminal Sacrifice 37 34 32 40 Natural Death 1 1 Moribund Sacrifice 2 Animals Examined Microscopically 50 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Colon (50) (48) (46) (49) Leiomyosarcoma 1 (2%) Intestine Small, Jejunum (49) (47) (44) (45) Leiomyoma 1 (2%) Liver (50) (50) (50) (50) Cholangiocarcinoma 1 (2%) Histiocytic Sarcoma 1 (2%) Histiocytic Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Mesentery (18) (10) (13) (16) Carcinoma 1 (6%) Oral Mucosa (1) (1) Squamous Cell Carcinoma 1 (100%) Pancreas (50) (49) (49) (49) Acinus, Adenoma 2 (4%) Salivary Glands (50) (50) (50) (50) Stomach, Forestomach (50) (50) (50) (50) Tooth (2) (2) (1) Odontoma 1 (50%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (50) (50) (50) (50) ____________________________________________________________________________________________________________________________________ Page 2 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (50) (50) (50) (50) Adrenal Medulla (50) (50) (50) (50) Pheochromocytoma Malignant 1 (2%) 1 (2%) Pheochromocytoma Complex 1 (2%) Pheochromocytoma Benign 2 (4%) 1 (2%) 1 (2%) 1 (2%) Islets, Pancreatic (50) (49) (49) (50) Adenoma 2 (4%) 1 (2%) Carcinoma 1 (2%) 1 (2%) 1 (2%) Pituitary Gland (49) (49) (50) (50) Pars Distalis, Adenoma 23 (47%) 18 (37%) 17 (34%) 24 (48%) Pars Distalis, Adenoma, Multiple 1 (2%) Pars Distalis, Carcinoma 1 (2%) 3 (6%) Pars Intermedia, Adenoma 1 (2%) 1 (2%) 1 (2%) Thyroid Gland (47) (47) (43) (46) Bilateral, C-Cell, Adenoma 1 (2%) 2 (4%) C-Cell, Adenoma 11 (23%) 8 (17%) 11 (26%) 9 (20%) C-Cell, Carcinoma 1 (2%) 3 (6%) 1 (2%) 3 (7%) Follicular Cell, Adenoma 2 (4%) Follicular Cell, Carcinoma 1 (2%) 1 (2%) 2 (4%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM Tissue NOS (1) (2) (4) (6) Mediastinum, Carcinoma, Metastatic, Thyroid Gland 1 (50%) Mediastinum, Carcinoma, Metastatic, Zymbal's Gland 1 (25%) Mediastinum, Histiocytic Sarcoma 1 (25%) Mediastinum, Sarcoma 1 (17%) ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Clitoral Gland (49) (50) (50) (49) Adenoma 11 (22%) 5 (10%) 12 (24%) 4 (8%) Carcinoma 3 (6%) 1 (2%) Sarcoma 1 (2%) Ovary (50) (50) (49) (50) Granulosa Cell Tumor Benign 1 (2%) Sarcoma 1 (2%) Oviduct (2) Page 3 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont Uterus (50) (50) (49) (50) Carcinoma, Metastatic, Mesentery 1 (2%) Sarcoma Stromal 1 (2%) Endometrium, Polyp Stromal 8 (16%) 8 (16%) 7 (14%) 7 (14%) Endometrium, Polyp Stromal, Multiple 1 (2%) 2 (4%) Endometrium, Sarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (50) (49) (50) (50) Lymph Node (36) (34) (30) (39) Mediastinal, Histiocytic Sarcoma 1 (3%) Mediastinal, Sarcoma 1 (3%) Lymph Node, Mandibular (4) (6) (4) (5) Lymph Node, Mesenteric (50) (49) (49) (50) Spleen (50) (50) (50) (50) Sarcoma 1 (2%) Thymus (49) (48) (48) (48) Sarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (50) (50) (50) (50) Adenoma 3 (6%) 2 (4%) Carcinoma 2 (4%) 1 (2%) 2 (4%) Carcinoma, Multiple 1 (2%) Fibroadenoma 23 (46%) 26 (52%) 23 (46%) 27 (54%) Fibroadenoma, Multiple 10 (20%) 3 (6%) 8 (16%) 6 (12%) Histiocytic Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Skin (50) (50) (50) (50) Basal Cell Carcinoma 1 (2%) Keratoacanthoma 1 (2%) Trichoepithelioma 2 (4%) Pinna, Neural Crest Tumor 1 (2%) Subcutaneous Tissue, Carcinoma, Metastatic, Mammary Gland 1 (2%) Subcutaneous Tissue, Fibroma 4 (8%) 1 (2%) 1 (2%) 1 (2%) Subcutaneous Tissue, Fibrosarcoma 1 (2%) Subcutaneous Tissue, Histiocytic Sarcoma 1 (2%) Subcutaneous Tissue, Histiocytic Sarcoma, Page 4 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont Metastatic, Skeletal Muscle 1 (2%) Subcutaneous Tissue, Lipoma 1 (2%) Subcutaneous Tissue, Sarcoma 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) (50) (50) Osteosarcoma 1 (2%) Skeletal Muscle (2) (1) (1) Histiocytic Sarcoma 1 (50%) Rhabdomyosarcoma 1 (50%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (49) (50) (50) (50) Carcinoma, Metastatic, Pituitary Gland 2 (4%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (50) (50) (50) Alveolar/Bronchiolar Adenoma 1 (2%) 1 (2%) Alveolar/Bronchiolar Carcinoma 1 (2%) Carcinoma, Metastatic, Mammary Gland 1 (2%) Histiocytic Sarcoma 1 (2%) Histiocytic Sarcoma, Metastatic, Skeletal Muscle 1 (2%) Sarcoma 1 (2%) Nose (50) (50) (50) (50) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (50) (49) (47) (50) Harderian Gland (50) (50) (50) (50) Histiocytic Sarcoma 1 (2%) Squamous Cell Carcinoma, Metastatic, Oral Mucosa 1 (2%) Zymbal's Gland (1) (1) (1) Carcinoma 1 (100%) ____________________________________________________________________________________________________________________________________ Page 5 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (50) (49) (47) (47) Sarcoma 1 (2%) Urinary Bladder (50) (48) (50) (50) Transitional Epithelium, Papilloma 1 (2%) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(50) *(50) *(50) *(50) Histiocytic Sarcoma 2 (4%) 1 (2%) Leukemia Mononuclear 11 (22%) 9 (18%) 13 (26%) 9 (18%) Lymphoma Malignant 1 (2%) Mesothelioma Malignant 1 (2%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 6 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 49 48 46 48 Total Primary Neoplasms 133 102 101 118 Total Animals with Benign Neoplasms 46 42 44 47 Total Benign Neoplasms 107 77 82 87 Total Animals with Malignant Neoplasms 21 22 19 22 Total Malignant Neoplasms 25 25 19 31 Total Animals with Metastatic Neoplasms 1 5 2 2 Total Metastatic Neoplasm 1 8 2 2 Total Animals with Malignant Neoplasms Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant 1 Total Uncertain Neoplasms 1 ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 7 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially in Study 50 50 50 50 Early Deaths Moribund Sacrifice 10 13 11 14 Natural Death 3 10 8 8 Accidently Killed 1 Survivors Terminal Sacrifice 36 27 31 28 Animals Examined Microscopically 50 50 50 50 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Intestine Large, Colon (48) (47) (44) (49) Intestine Large, Cecum (47) (46) (43) (47) Intestine Small, Duodenum (49) (46) (46) (47) Intestine Small, Jejunum (47) (46) (42) (44) Intestine Small, Ileum (47) (46) (42) (47) Liver (50) (50) (48) (50) Hemangiosarcoma 1 (2%) Hepatocellular Adenoma 3 (6%) Histiocytic Sarcoma 1 (2%) 1 (2%) Mesentery (19) (20) (19) (23) Carcinoma, Metastatic, Pancreas 1 (5%) Hemangiosarcoma, Metastatic, Liver 1 (5%) Histiocytic Sarcoma 1 (5%) 1 (5%) Osteosarcoma 1 (5%) Pancreas (49) (49) (49) (50) Hemangiosarcoma, Metastatic, Liver 1 (2%) Acinus, Adenoma 2 (4%) 1 (2%) Acinus, Adenoma, Multiple 1 (2%) Acinus, Carcinoma 1 (2%) Salivary Glands (49) (50) (50) (50) Fibrosarcoma 1 (2%) Stomach, Forestomach (50) (50) (50) (50) Schwannoma Malignant 1 (2%) Squamous Cell Papilloma 1 (2%) Stomach, Glandular (49) (48) (48) (50) Tongue (1) (1) (1) (1) Sarcoma 1 (100%) Squamous Cell Carcinoma 1 (100%) Page 8 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont Squamous Cell Papilloma 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Blood Vessel (1) (2) Aorta, Osteosarcoma 1 (100%) Heart (50) (50) (50) (50) Carcinoma, Metastatic, Zymbal's Gland 1 (2%) Schwannoma Benign 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (49) (49) (50) (50) Carcinoma 1 (2%) Osteosarcoma, Metastatic, Bone 1 (2%) Adrenal Medulla (49) (49) (50) (50) Ganglioneuroma 1 (2%) Pheochromocytoma Malignant 3 (6%) 1 (2%) 1 (2%) Pheochromocytoma Benign 6 (12%) 3 (6%) 3 (6%) 5 (10%) Bilateral, Ganglioneuroma 1 (2%) Bilateral, Pheochromocytoma Benign 1 (2%) 3 (6%) Islets, Pancreatic (50) (49) (49) (50) Adenoma 3 (6%) 4 (8%) 3 (6%) 5 (10%) Carcinoma 2 (4%) 1 (2%) 2 (4%) Pituitary Gland (48) (50) (49) (50) Pars Distalis, Adenoma 16 (33%) 15 (30%) 20 (41%) 15 (30%) Pars Intermedia, Adenoma 1 (2%) 1 (2%) Thyroid Gland (47) (44) (43) (47) Bilateral, C-Cell, Adenoma, Multiple 1 (2%) C-Cell, Adenoma 9 (19%) 9 (20%) 5 (12%) 9 (19%) C-Cell, Carcinoma 2 (4%) 2 (5%) 1 (2%) Follicular Cell, Adenoma 1 (2%) 2 (4%) Follicular Cell, Carcinoma 4 (9%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM Peritoneum (1) (1) Tissue NOS (5) (6) (2) (7) Abdominal, Paraganglioma 1 (20%) Mediastinum, Carcinoma, Metastatic, Zymbal's Page 9 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont Gland 1 (17%) Mediastinum, Squamous Cell Carcinoma, Metastatic, Lung 1 (17%) Pelvic, Leiomyoma 1 (20%) Thoracic, Fibroma 1 (14%) ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Epididymis (50) (50) (50) (50) Preputial Gland (48) (49) (50) (50) Adenoma 1 (2%) 6 (12%) 5 (10%) 5 (10%) Carcinoma 3 (6%) 1 (2%) 2 (4%) 2 (4%) Prostate (50) (49) (50) (50) Seminal Vesicle (50) (49) (50) (50) Testes (50) (50) (50) (50) Bilateral, Interstitial Cell, Adenoma 1 (2%) Bilateral, Interstitial Cell, Adenoma, Multiple 40 (80%) 43 (86%) 42 (84%) 39 (78%) Interstitial Cell, Adenoma 2 (4%) 1 (2%) 2 (4%) Interstitial Cell, Adenoma, Multiple 3 (6%) 5 (10%) 2 (4%) 3 (6%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Bone Marrow (48) (48) (50) (49) Lymph Node (34) (24) (26) (34) Histiocytic Sarcoma 1 (3%) Deep Cervical, Histiocytic Sarcoma 1 (3%) Mediastinal, Carcinoma, Metastatic, Zymbal's Gland 1 (4%) Lymph Node, Mandibular (3) (2) (3) (4) Lymph Node, Mesenteric (49) (50) (49) (50) Spleen (48) (49) (49) (50) Histiocytic Sarcoma 1 (2%) Capsule, Carcinoma, Metastatic, Pancreas 1 (2%) Thymus (48) (48) (49) (47) Carcinoma, Metastatic, Zymbal's Gland 1 (2%) Thymoma Benign 1 (2%) ____________________________________________________________________________________________________________________________________ Page 10 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (45) (43) (47) (44) Carcinoma 1 (2%) 1 (2%) Fibroadenoma 2 (4%) 1 (2%) 4 (9%) 4 (9%) Skin (50) (50) (50) (50) Basal Cell Carcinoma 1 (2%) 2 (4%) Basal Cell Carcinoma, Multiple 1 (2%) Keratoacanthoma 4 (8%) 2 (4%) 1 (2%) 1 (2%) Trichoepithelioma 1 (2%) Subcutaneous Tissue, Fibroma 9 (18%) 9 (18%) 4 (8%) 7 (14%) Subcutaneous Tissue, Fibroma, Multiple 1 (2%) 1 (2%) 1 (2%) Subcutaneous Tissue, Fibrosarcoma 1 (2%) 2 (4%) Subcutaneous Tissue, Histiocytic Sarcoma 1 (2%) Subcutaneous Tissue, Lipoma 1 (2%) Subcutaneous Tissue, Neural Crest Tumor 1 (2%) Subcutaneous Tissue, Osteosarcoma 1 (2%) Subcutaneous Tissue, Sarcoma 1 (2%) Subcutaneous Tissue, Schwannoma Malignant 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (50) (50) (50) (50) Osteosarcoma 1 (2%) Periosteum, Cranium, Fibrosarcoma, Metastatic, Skin 1 (2%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (50) (50) (50) (50) Carcinoma, Metastatic, Zymbal's Gland 1 (2%) Glioma Malignant 1 (2%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (50) (50) (50) (50) Alveolar/Bronchiolar Adenoma 1 (2%) 1 (2%) 2 (4%) Alveolar/Bronchiolar Carcinoma 2 (4%) 2 (4%) 1 (2%) Alveolar/Bronchiolar Carcinoma, Multiple 1 (2%) Carcinoma, Metastatic, Zymbal's Gland 1 (2%) Histiocytic Sarcoma, Metastatic, Uncertain Page 11 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont Primary Site 1 (2%) Osteosarcoma, Metastatic, Bone 1 (2%) Squamous Cell Carcinoma 1 (2%) Nose (49) (49) (49) (50) Trachea (50) (49) (50) (50) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (50) (48) (46) (50) Retrobulbar, Fibrosarcoma, Metastatic, Skin 1 (2%) Harderian Gland (49) (49) (49) (50) Carcinoma 1 (2%) Zymbal's Gland (1) (1) (3) Carcinoma 1 (100%) 1 (100%) 1 (33%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (47) (46) (49) (49) Lipoma 1 (2%) 1 (2%) Mesenchymal Tumor Benign 1 (2%) Renal Tubule, Adenoma 1 (2%) Urinary Bladder (48) (49) (47) (50) ____________________________________________________________________________________________________________________________________ SYSTEMIC LESIONS Multiple Organs *(50) *(50) *(50) *(50) Histiocytic Sarcoma 1 (2%) 1 (2%) Leukemia Mononuclear 13 (26%) 21 (42%) 16 (32%) 23 (46%) Lymphoma Malignant 1 (2%) Mesothelioma Malignant 1 (2%) 2 (4%) 2 (4%) ____________________________________________________________________________________________________________________________________ * Number of animals with any tissue examined microscopically Page 12 NTP Experiment-Test: 96010-03 INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a) Report: PEIRPT05 Study Type: CHRONIC WATER DISINFECTION BYPRODUCTS (SODIUM CHLORATE) Date: 05/27/03 Route: DOSED WATER Time: 13:24:09 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE 0 MG/L 125 MG/L 1000MG/L 2000MG/L ____________________________________________________________________________________________________________________________________ TUMOR SUMMARY Total Animals with Primary Neoplasms (b) 49 50 50 50 Total Primary Neoplasms 135 152 124 150 Total Animals with Benign Neoplasms 48 49 47 47 Total Benign Neoplasms 100 112 97 108 Total Animals with Malignant Neoplasms 27 32 24 32 Total Malignant Neoplasms 34 40 27 42 Total Animals with Metastatic Neoplasms 2 5 1 Total Metastatic Neoplasm 3 10 3 Total Animals with Malignant Neoplasms 1 Uncertain Primary Site Total Animals with Neoplasms Uncertain- Benign or Malignant 1 Total Uncertain Neoplasms 1 ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion b Primary tumors: all tumors except metastatic tumors Page 13 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 96163-96163/96163 --multipart-boundary--