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TDMS Study 05099-07 Pathology Tables

                                              NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL
                                                      SALICYLAZOSULFAPYRIDINE


NTP Experiment-Test: 05099-07                                                                                     Report: PEIRPT09
Study Type: CHRONIC                                                                                               Date: 04/07/95
Route: GAVAGE                                                                                                     Time: 15:23:08


                                          RTD FEED CORE STUDY COMPARISON (MALES ONLY)


       Facility:  Southern Research Institute

       Chemical CAS #:  599-79-1

       Lock Date:  02/03/93

       Cage Range:  All

       Reasons For Removal:    25018 Dosing Accident                   25019 Moribund Sacrifice
                               25020 Natural Death                     25021 Terminal Sacrifice

       Removal Date Range:     All

       Treatment Groups:       Include 007    337.5   MG/KG
                               Include 010    0 MG/KG FEED RTD































                                                             Page   1
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 5| 7| 7| 5| 5| 6| 4| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 0| 0| 3| 0| 2| 8| 3| 2| 6| 8| 9| 3| 2| 0| 1| 3| 2| 4| 3| 2| 3| 3| 7| 2|             
                                           | 1| 4| 4| 1| 4| 9| 5| 1| 9| 5| 1| 6| 6| 8| 8| 8| 1| 9| 5| 2| 3| 2| 2| 2| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    337.5                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|             
    MG/KG                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 ALIMENTARY SYSTEM                         |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Esophagus                               | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Perforation                          |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Inflammation, Subacute               |                                     2                                    |             
      Parasite Metazoan                    |                X                                         X              X|             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Parasite Metazoan                    |          X     X     X                                                   |             
      Ulcer                                |       1                                                                  |             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Dilatation                           |                                                                          |             
      Inflammation, Subacute               |                                        3                                 |             
      Parasite Metazoan                    |                                                    X                     |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Erosion                              |             3                                                            |             
      Ulcer                                |             4                                                            |             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     | X        X  X  X  X     X                 X     X  X     X     X  X      |             
      Clear Cell Focus                     |          X           X  X                       X        X     X        X|             
      Developmental Malformation           |                                                                          |             
      Eosinophilic Focus                   |                                                                X         |             
      Hematopoietic Cell Proliferation     |                   1                                                      |             
      Hepatodiaphragmatic Nodule           |                      X                                                   |             
      Inflammation, Subacute               |                                  1                          1            |             
      Mixed Cell Focus                     |                                                                          |             
      Bile Duct, Hyperplasia               | 1  1  1  1     1  1  1     1     1        1  1     1     1           1   |             
      Hepatocyte, Vacuolization Cytoplasmic|                                                             2            |             
      Lobules, Necrosis                    |                                        1                                 |             
                                            __________________________________________________________________________|             
   Mesentery                               | +  +           +  +           +                    +        +        +   |             
      Accessory Spleen                     |                                                                          |             
      Fat, Necrosis                        |    2           3  2           3                    3                 4   |             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              | 1                    2                       2  1  1     3  3        1  1|             
      Acinar Cell, Cytoplasmic Alteration  |       4     4     4        4  3     3  3                    3        4   |             
      Acinar Cell, Hyperplasia, Focal      |                                  2        2  2              3            |             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                                                          |             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Edema                                |                                        2                                 |             
      Erosion                              |                                        2                                 |             
      Inflammation, Chronic                |                                                                          |             
      Mineralization                       |                                           3                              |             
      Perforation                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   2                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 5| 7| 7| 5| 5| 6| 4| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 0| 0| 3| 0| 2| 8| 3| 2| 6| 8| 9| 3| 2| 0| 1| 3| 2| 4| 3| 2| 3| 3| 7| 2|             
                                           | 1| 4| 4| 1| 4| 9| 5| 1| 9| 5| 1| 6| 6| 8| 8| 8| 1| 9| 5| 2| 3| 2| 2| 2| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    337.5                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|             
    MG/KG                                  | 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                  |                                                                          |             
                                           |                                                                          |             
      Ulcer                                |    3  2     3                 2                                          |             
      Mucosa, Hyperplasia                  |       2                                3           2              2      |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                                                                          |             
      Erosion                              |                               3        1                                 |             
      Ulcer                                |             2                                                            |             
                                            __________________________________________________________________________|             
   Tongue                                  |                                                             +            |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypertrophy                          |                3                                                         |             
      Inflammation, Chronic Active         |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy                       | 3        2  2        2  2  1        1        2     2     3           3  2|             
      Foreign Body                         |                                                                          |             
      Inflammation, Subacute               |                                                                          |             
      Mineralization                       |                                                                      2   |             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Accessory Adrenal Cortical Nodule    |          X                                                  X            |             
      Basophilic Focus                     |                                                                          |             
      Degeneration, Fatty                  |             1                                   2  1        2     1      |             
      Hematopoietic Cell Proliferation     |                                                                2         |             
      Hemorrhage                           |                                                                      2   |             
      Hyperplasia, Focal                   |          1                                                        1      |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |             1     2                       1                 2     1     2|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                         2|             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                                          |             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Angiectasis           | 4                          1                                             |             
      Pars Distalis, Cyst                  |                      X           X                                       |             
      Pars Distalis, Hyperplasia, Focal    | 2     3        1     1        2                 3                        |             
      Pars Intermedia, Angiectasis         |                                                                          |             
      Pars Intermedia, Cyst                |                                                                          |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ultimobranchial Cyst                 |                                                                          |             
      C-Cell, Hyperplasia                  |                1     1                                   1               |             
      Follicular Cell, Hyperplasia         |                                                                          |             
      Follicular Cell, Hypertrophy         | 2                                   2                                    |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   3                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 5| 7| 7| 5| 5| 6| 4| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 0| 0| 3| 0| 2| 8| 3| 2| 6| 8| 9| 3| 2| 0| 1| 3| 2| 4| 3| 2| 3| 3| 7| 2|             
                                           | 1| 4| 4| 1| 4| 9| 5| 1| 9| 5| 1| 6| 6| 8| 8| 8| 1| 9| 5| 2| 3| 2| 2| 2| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    337.5                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|             
    MG/KG                                  | 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                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atypia Cellular                      | X  X  X     X  X  X  X  X  X                    X  X     X  X  X     X  X|             
      Hypospermia                          | X  X     X  X  X     X  X        X        X  X  X  X     X  X  X  X  X  X|             
                                            __________________________________________________________________________|             
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ectasia                              | 4  2  3                                   2                          3   |             
      Hyperplasia                          |                                                                          |             
      Inflammation, Chronic                |                2                 2                       3              2|             
      Inflammation, Suppurative            | 3  3                          2                    4     2              2|             
                                            __________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Corpora Amylacea                     | 2           2                                2           2  2           3|             
      Edema                                |                   2        3                                             |             
      Hemorrhage                           |                            3                             2               |             
      Inflammation, Suppurative            | 1  3  2  1        1                 4                 2  2  1     3      |             
      Epithelium, Hyperplasia              |             2                                            1               |             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +|             
      Dilatation                           |                            3                          3        3         |             
      Hemorrhage                           |                            3                                             |             
      Inflammation, Suppurative            |                            2                                             |             
                                            __________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Interstitial Cell, Hyperplasia       |                                                                          |             
      Seminiferous Tubule, Atrophy         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypercellularity                     |                2  3                                      2     2         |             
                                            __________________________________________________________________________|             
   Lymph Node                              |                +  +           +                    +  +     +            |             
      Mediastinal, Hemorrhage              |                3                                   2                     |             
      Mediastinal, Hyperplasia, Lymphoid   |                                                                          |             
      Mediastinal, Pigmentation            |                   4           3                    4        4            |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Hemorrhage                           |                                                    1                     |             
      Hyperplasia, Lymphoid                |                      3                                      3            |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                            1                                             |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                                                                2         |             
      Hematopoietic Cell Proliferation     | 1        1     2  3  2  2                       3  2     2     2  2      |             
      Hyperplasia, Reticulum Cell          |       3                                                                  |             
      Pigmentation, Hemosiderin            | 2  3  3  2  3              3        3     3  2     2  2  2        3  3   |             
      Lymphoid Follicle, Atrophy           |                            3              3                              |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                                                          |             
      Cortex, Atrophy                      |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   4                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 5| 7| 7| 5| 5| 6| 4| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 0| 0| 3| 0| 2| 8| 3| 2| 6| 8| 9| 3| 2| 0| 1| 3| 2| 4| 3| 2| 3| 3| 7| 2|             
                                           | 1| 4| 4| 1| 4| 9| 5| 1| 9| 5| 1| 6| 6| 8| 8| 8| 1| 9| 5| 2| 3| 2| 2| 2| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    337.5                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|             
    MG/KG                                  | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |             
                                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Cystic                  |                         2              1           1  1                 2|             
      Hyperplasia, Lobular                 |                      2                       3                 2  2      |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Acanthosis                           |                                                             1            |             
      Cyst Epithelial Inclusion            |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Calvarium, Osteopetrosis             |                                                                          |             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                   +                                                      |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Compression                          |                                                       X                  |             
      Hydrocephalus                        |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                                                                          |             
      Edema                                |                                                                      2   |             
      Fibrosis                             |                                                                          |             
      Hemorrhage                           |                                                                      2   |             
      Infiltration Cellular, Histiocyte    |       1           1                          1        2                  |             
      Inflammation, Subacute               |                                                                          |             
      Metaplasia, Osseous                  |                                                                          |             
      Alveolar Epithelium, Hyperplasia     |                   2        1                                            1|             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Exudate                              |             X           X                    X  X                 X     X|             
      Foreign Body                         |                         1                       1                        |             
      Fungus                               |                                              X  X                        |             
      Mucosa, Hyperplasia                  |                                              2  3  2                    2|             
      Mucosa, Metaplasia, Squamous         |                                              2                           |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
    None                                   |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Concretion                           | 3  3  3     3  3     4     1     3     2        3     3  1  3  3  3  3  3|             
      Hemorrhage                           |                                                                      3   |             
 _____________________________________________________________________________________________________________________|             
                                                             Page   5                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 7| 7| 7| 7| 7| 5| 7| 7| 5| 5| 6| 4| 4| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7|             
                             DAY ON TEST   | 3| 0| 0| 3| 0| 2| 8| 3| 2| 6| 8| 9| 3| 2| 0| 1| 3| 2| 4| 3| 2| 3| 3| 7| 2|             
                                           | 1| 4| 4| 1| 4| 9| 5| 1| 9| 5| 1| 6| 6| 8| 8| 8| 1| 9| 5| 2| 3| 2| 2| 2| 9|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|             
    337.5                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|             
    MG/KG                                  | 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                     |                                                                          |             
                                           |                                                                          |             
      Hydronephrosis                       |       2     3  2     2  3  3        2     1        1        2  2  2  3  3|             
      Infarct                              |                                                                          |             
      Inflammation, Suppurative            |                                                    1                     |             
      Mineralization                       |    3                       3        1  1           1  2              3   |             
      Nephropathy                          | 2  2  3  2  3  3  1  3  3  2  3  3  2  1  2  3  2  3  1  3  3  3  2  2  2|             
      Papilla, Fibrosis                    |                2                                                         |             
      Papilla, Necrosis                    |                            3              3                          2   |             
      Renal Tubule, Dilatation             |       3     3              3     3  2                                3  2|             
      Renal Tubule, Pigmentation           |                   4                 2                                   2|             
      Transitional Epithelium, Hyperplasia,|                                                                          |             
           Atypical                        |                                                                   3     3|             
      Transitional Epithelium, Hyperplasia | 2  3  4  1  3  3     4  3  2     3  1  3     1  2  2  3  2  3  3  3  3  4|             
      Transitional Epithelium, Metaplasia  |                                                             2            |             
                                            __________________________________________________________________________|             
   Ureter                                  |             +        +  +                                   +  +        +|             
      Concretion                           |                                                             3            |             
      Dilatation                           |                                                                          |             
      Inflammation, Subacute               |                                                                          |             
      Mucosa, Hyperplasia                  |             3        3  1                                      3        3|             
                                            __________________________________________________________________________|             
   Urethra                                 |                +                                +     +                  |             
      Concretion                           |                                                                          |             
      Inflammation, Subacute               |                                                                          |             
      Lumen, Concretion                    |                                                 4     2                  |             
      Mucosa, Hyperplasia                  |                                                                          |             
      Mucosa, Metaplasia, Squamous         |                2                                                         |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Concretion                           |       4           2     4              3     2                 3     4   |             
      Congestion                           |                                     3                                    |             
      Dilatation                           |             4                       4  3                             4   |             
      Hemorrhage                           |       2                    4                 1                           |             
      Inflammation, Subacute               |                                              2                           |             
      Mucosa, Hyperplasia                  | 2  3  3     3  4  2  3  4  2     2  3  3  3  2  2  3     2  4  3  1  3  3|             
 _____________________________________________________________________________________________________________________|             
                                                             Page   6                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 6| 7| 6| 6| 4| 1| 6| 7| 7| 7| 7| 2| 6| 6| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 2| 2| 3| 5| 2| 3| 8| 7| 2| 5| 2| 0| 3| 2| 4| 5| 5| 2| 1| 3| 2| 3|            |
                                           | 2| 2| 4| 6| 9| 2| 8| 9| 5| 7| 3| 2| 9| 9| 5| 2| 9| 0| 3| 9| 9| 3| 2| 9| 2|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|      A     |
    337.5                                  | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4|      L     |
    MG/KG                                  | 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        |
      Perforation                          |                                  X                                       |      1     |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +|  48        |
      Inflammation, Subacute               |                                                                          |      1  2.0|
      Parasite Metazoan                    |    X                                   X                                 |      5     |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  I|  49        |
      Parasite Metazoan                    |    X                                      X                              |      5     |
      Ulcer                                |                                                                          |      1  1.0|
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Dilatation                           |                                                                3         |      1  3.0|
      Inflammation, Subacute               |                                                                          |      1  3.0|
      Parasite Metazoan                    |                                                                          |      1     |
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Erosion                              |                                                                          |      1  3.0|
      Ulcer                                |                                                                          |      1  4.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Basophilic Focus                     | X  X     X     X                             X  X           X        X   |     20     |
      Clear Cell Focus                     | X        X     X     X                 X     X  X           X     X      |     16     |
      Developmental Malformation           |                   X                                                      |      1     |
      Eosinophilic Focus                   | X        X           X                 X  X  X              X        X   |      9     |
      Hematopoietic Cell Proliferation     |                                                                          |      1  1.0|
      Hepatodiaphragmatic Nodule           |                            X                                             |      2     |
      Inflammation, Subacute               |                                                                          |      2  1.0|
      Mixed Cell Focus                     |                X                                            X            |      2     |
      Bile Duct, Hyperplasia               | 1  1           1     1                       2  1                       1|     21  1.0|
      Hepatocyte, Vacuolization Cytoplasmic|                   3                                                      |      2  2.5|
      Lobules, Necrosis                    |                                                                          |      1  1.0|
                                            __________________________________________________________________________|____________|
   Mesentery                               |                +     +                                +              +   |  12        |
      Accessory Spleen                     |                                                       X                  |      1     |
      Fat, Necrosis                        |                4     2                                               2   |      9  2.8|
                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy                              |       1  1  1  1     1  2           1                    1     1        1|     19  1.4|
      Acinar Cell, Cytoplasmic Alteration  |       3           4     4  3              3           3                  |     15  3.5|
      Acinar Cell, Hyperplasia, Focal      |             2                                2           3        2      |      8  2.3|
                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy                              |                                                                2         |      1  2.0|
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page   7                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 6| 7| 6| 6| 4| 1| 6| 7| 7| 7| 7| 2| 6| 6| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 2| 2| 3| 5| 2| 3| 8| 7| 2| 5| 2| 0| 3| 2| 4| 5| 5| 2| 1| 3| 2| 3|            |
                                           | 2| 2| 4| 6| 9| 2| 8| 9| 5| 7| 3| 2| 9| 9| 5| 2| 9| 0| 3| 9| 9| 3| 2| 9| 2|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|      A     |
    337.5                                  | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4|      L     |
    MG/KG                                  | 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                  |                                                                          |            |
                                           |                                                                          |            |
      Edema                                |                   3     2           3                                    |      4  2.5|
      Erosion                              |                                                    3                     |      2  2.5|
      Inflammation, Chronic                |                                                             2            |      1  2.0|
      Mineralization                       |                                                                          |      1  3.0|
      Perforation                          |                                     X                                    |      1     |
      Ulcer                                |                   3     3                 3                              |      7  2.7|
      Mucosa, Hyperplasia                  |                   4     3           3     3                 2            |      9  2.7|
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                X         |      1     |
      Erosion                              |                                                                          |      2  2.0|
      Ulcer                                |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Tongue                                  |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hypertrophy                          |                            4           3        4                    3   |      5  3.4|
      Inflammation, Chronic Active         |                                                 3                    3   |      2  3.0|
                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cardiomyopathy                       |       2  3     1        2  3        1  2     3     2        2  2        3|     24  2.1|
      Foreign Body                         |             3                                                            |      1  3.0|
      Inflammation, Subacute               |             4                                                            |      1  4.0|
      Mineralization                       |                            3                                             |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Accessory Adrenal Cortical Nodule    | X                          X  X        X     X        X                  |      8     |
      Basophilic Focus                     |                                                 X                        |      1     |
      Degeneration, Fatty                  | 1                                   2        2                           |      8  1.5|
      Hematopoietic Cell Proliferation     |                                                                         1|      2  1.5|
      Hemorrhage                           |                                                                          |      1  2.0|
      Hyperplasia, Focal                   |                                              1                           |      3  1.0|
                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperplasia                          | 2              1  2        3        2                       1        2  1|     14  1.6|
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia                          |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | M  M  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  M  +  +  +|  45        |
      Hyperplasia                          |                                           2                              |      1  2.0|
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Pars Distalis, Angiectasis           |                                                                          |      2  2.5|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page   8                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 6| 7| 6| 6| 4| 1| 6| 7| 7| 7| 7| 2| 6| 6| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 2| 2| 3| 5| 2| 3| 8| 7| 2| 5| 2| 0| 3| 2| 4| 5| 5| 2| 1| 3| 2| 3|            |
                                           | 2| 2| 4| 6| 9| 2| 8| 9| 5| 7| 3| 2| 9| 9| 5| 2| 9| 0| 3| 9| 9| 3| 2| 9| 2|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|      A     |
    337.5                                  | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4|      L     |
    MG/KG                                  | 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, Cyst                  |    X        X                       X                                    |      5     |
      Pars Distalis, Hyperplasia, Focal    |       1     3  2              2     3                             1      |     12  2.0|
      Pars Intermedia, Angiectasis         |                                              3                           |      1  3.0|
      Pars Intermedia, Cyst                |    X                                                           X         |      2     |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ultimobranchial Cyst                 |                                  X                                       |      1     |
      C-Cell, Hyperplasia                  |    1  2                 1     1           1  1              2        1   |     11  1.2|
      Follicular Cell, Hyperplasia         |                                  1                                       |      1  1.0|
      Follicular Cell, Hypertrophy         |       2           2                                                      |      4  2.0|
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atypia Cellular                      | X     X     X  X           X     X  X  X  X  X        X        X  X  X  X|     31     |
      Hypospermia                          | X  X  X  X  X  X        X  X        X  X  X  X  X     X     X     X  X  X|     36     |
                                            __________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ectasia                              | 2  2           3     4  3           3                 3     3        3   |     14  2.9|
      Hyperplasia                          |                                              2  2                        |      2  2.0|
      Inflammation, Chronic                |    2        2        2                             1                 2   |      9  2.0|
      Inflammation, Suppurative            | 1  2           2  1     2  2                 3  2     2     1        3   |     17  2.2|
                                            __________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Corpora Amylacea                     | 2                    2                    3                          2  2|     11  2.2|
      Edema                                |                                                                          |      2  2.5|
      Hemorrhage                           |                            3                                             |      3  2.7|
      Inflammation, Suppurative            |    2     4     1  3     3  3        2  2  3     2        3               |     21  2.3|
      Epithelium, Hyperplasia              |                                                             1            |      3  1.3|
                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Dilatation                           |                            3                                             |      4  3.0|
      Hemorrhage                           |                            4                                             |      2  3.5|
      Inflammation, Suppurative            |          2                 2              2                              |      4  2.0|
                                            __________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Interstitial Cell, Hyperplasia       |                                           2                              |      1  2.0|
      Seminiferous Tubule, Atrophy         |                         3                 2                              |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hypercellularity                     |                                                                         2|      5  2.2|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page   9                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 6| 7| 6| 6| 4| 1| 6| 7| 7| 7| 7| 2| 6| 6| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 2| 2| 3| 5| 2| 3| 8| 7| 2| 5| 2| 0| 3| 2| 4| 5| 5| 2| 1| 3| 2| 3|            |
                                           | 2| 2| 4| 6| 9| 2| 8| 9| 5| 7| 3| 2| 9| 9| 5| 2| 9| 0| 3| 9| 9| 3| 2| 9| 2|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|      A     |
    337.5                                  | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4|      L     |
    MG/KG                                  | 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                              |          +  +                       +                 +                  |  10        |
      Mediastinal, Hemorrhage              |          3  3                                                            |      4  2.8|
      Mediastinal, Hyperplasia, Lymphoid   |                                     3                                    |      1  3.0|
      Mediastinal, Pigmentation            |          3                                                               |      5  3.6|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Congestion                           |                                  3                                       |      1  3.0|
      Hemorrhage                           |                   2                                         1            |      3  1.3|
      Hyperplasia, Lymphoid                |          2                                3  3           2              2|      7  2.6|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hemorrhage                           |    2                    1                                      1         |      4  1.3|
                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fibrosis                             |    2                                                                     |      2  2.0|
      Hematopoietic Cell Proliferation     | 2  2     3  3                          2  2  2  2        2  2     2     2|     23  2.1|
      Hyperplasia, Reticulum Cell          |                                                                          |      1  3.0|
      Pigmentation, Hemosiderin            | 2  3  2        2  3  1  2  3     2     1  3  3     2     3           2  2|     30  2.4|
      Lymphoid Follicle, Atrophy           |                   3     2  3                                             |      5  2.8|
                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +|  49        |
      Hemorrhage                           |                                  2                                       |      1  2.0|
      Cortex, Atrophy                      |                                  3                 2                     |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  I  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Hyperplasia, Cystic                  |                   3     2           2                 3  2               |     10  1.9|
      Hyperplasia, Lobular                 |                                        2  2                              |      6  2.2|
                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Acanthosis                           |                                                                          |      1  1.0|
      Cyst Epithelial Inclusion            |             X                                                            |      1     |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Calvarium, Osteopetrosis             |                                                          3               |      1  3.0|
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                                                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Compression                          |                   X                       X              X               |      4     |
      Hydrocephalus                        |                   2                       2                              |      2  2.0|
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page  10                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 6| 7| 6| 6| 4| 1| 6| 7| 7| 7| 7| 2| 6| 6| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 2| 2| 3| 5| 2| 3| 8| 7| 2| 5| 2| 0| 3| 2| 4| 5| 5| 2| 1| 3| 2| 3|            |
                                           | 2| 2| 4| 6| 9| 2| 8| 9| 5| 7| 3| 2| 9| 9| 5| 2| 9| 0| 3| 9| 9| 3| 2| 9| 2|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|      A     |
    337.5                                  | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4|      L     |
    MG/KG                                  | 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        |
      Congestion                           |                            3  2  3                 2                     |      4  2.5|
      Edema                                |                               2  3                 2                     |      4  2.3|
      Fibrosis                             |             3                                                            |      1  3.0|
      Hemorrhage                           |                                                                          |      1  2.0|
      Infiltration Cellular, Histiocyte    |             2        1  1  1                    1  2     2     1         |     12  1.3|
      Inflammation, Subacute               |             3                 3  2                                       |      3  2.7|
      Metaplasia, Osseous                  |                         1                                                |      1  1.0|
      Alveolar Epithelium, Hyperplasia     |             1  3                       2                                 |      6  1.7|
                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Exudate                              |    X  X                    X        X     X        X                 X  X|     14     |
      Foreign Body                         |                                                                          |      2  1.0|
      Fungus                               |                                                                          |      2     |
      Mucosa, Hyperplasia                  |       2                                   3                              |      6  2.3|
      Mucosa, Metaplasia, Squamous         |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Concretion                           | 3     3  3  3  1  3  3  2              2  2     3     3  2  2     3     2|     33  2.6|
      Hemorrhage                           |                                                                          |      1  3.0|
      Hydronephrosis                       |    3  2     2  2  2  2     3           2  2  2  3        2  2           2|     28  2.2|
      Infarct                              |                                                          2               |      1  2.0|
      Inflammation, Suppurative            |    1     2           1                                   1           1   |      6  1.2|
      Mineralization                       |    1  2     1  1           3                                         2   |     13  1.8|
      Nephropathy                          | 2  3  2  2  3  2  3  3  4  2  1     4  3  4  3  3     2  3  3  2  3  3  3|     48  2.5|
      Papilla, Fibrosis                    |                                                                          |      1  2.0|
      Papilla, Necrosis                    |    2                                                                     |      4  2.5|
      Renal Tubule, Dilatation             |    3  3                    3                       2                     |     11  2.7|
      Renal Tubule, Pigmentation           |                                                                          |      3  2.7|
      Transitional Epithelium, Hyperplasia,|                                                                          |            |
           Atypical                        |                                                             3            |      3  3.0|
      Transitional Epithelium, Hyperplasia | 3  2  3  3  3  2  3  3  3  2        2  3  3  2  3     3  2  2     3  2  3|     43  2.6|
      Transitional Epithelium, Metaplasia  |                                                                          |      1  2.0|
                                            __________________________________________________________________________|____________|
   Ureter                                  |       +  +                 M                 +        +     +     +     +|  13        |
      Concretion                           |       3                                               3                  |      3  3.0|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page  11                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 7| 6| 7| 7| 7| 6| 7| 6| 6| 4| 1| 6| 7| 7| 7| 7| 2| 6| 6| 7| 6| 7| 7| 7|            |
                             DAY ON TEST   | 3| 3| 8| 2| 2| 3| 5| 2| 3| 8| 7| 2| 5| 2| 0| 3| 2| 4| 5| 5| 2| 1| 3| 2| 3|            |
                                           | 2| 2| 4| 6| 9| 2| 8| 9| 5| 7| 3| 2| 9| 9| 5| 2| 9| 0| 3| 9| 9| 3| 2| 9| 2|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|      A     |
    337.5                                  | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4|      L     |
    MG/KG                                  | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 URINARY SYSTEM - cont                     |                                                                          |            |
                                           |                                                                          |            |
      Dilatation                           |       3                                               2                  |      2  2.5|
      Inflammation, Subacute               |       2                                                                  |      1  2.0|
      Mucosa, Hyperplasia                  |       1  3                                   3        1     2     2     3|     12  2.3|
                                            __________________________________________________________________________|____________|
   Urethra                                 | +        +                                                               |   5        |
      Concretion                           |          3                                                               |      1  3.0|
      Inflammation, Subacute               | 1                                                                        |      1  1.0|
      Lumen, Concretion                    |                                                                          |      2  3.0|
      Mucosa, Hyperplasia                  | 2                                                                        |      1  2.0|
      Mucosa, Metaplasia, Squamous         | 2                                                                        |      2  2.0|
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Concretion                           |                                     2                 4                 3|     10  3.1|
      Congestion                           |                                                                          |      1  3.0|
      Dilatation                           |                            4        3                 3                  |      7  3.6|
      Hemorrhage                           |                            3                                             |      4  2.5|
      Inflammation, Subacute               |                         1  3                                             |      3  2.0|
      Mucosa, Hyperplasia                  | 4  3  2  4  2     3  2  3  3        3  3     4  3     4  2  2  1  1     3|     41  2.7|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page  12                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 5| 7| 6| 7| 6| 7| 5| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 2| 3| 8| 3| 2| 3| 2| 6| 2| 3| 3| 4| 3| 3| 3| 9| 3| 3| 3| 3| 3| 2| 3| 3|             
                                           | 0| 1| 0| 9| 0| 7| 0| 6| 6| 6| 0| 0| 2| 0| 0| 0| 2| 0| 0| 0| 0| 0| 0| 0| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 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|             
    0 MG/KG                                | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|             
    FEED RTD                               | 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                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Perforation                          |                         X                                                |             
                                            __________________________________________________________________________|             
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Parasite Metazoan                    | X                                                              X     X   |             
                                            __________________________________________________________________________|             
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Parasite Metazoan                    |                   X                                   X     X           X|             
                                            __________________________________________________________________________|             
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Edema                                |                                                                          |             
      Ulcer                                |                                                                          |             
                                            __________________________________________________________________________|             
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                          |             
                                            __________________________________________________________________________|             
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Basophilic Focus                     |       X  X  X  X  X        X  X  X  X     X  X     X  X  X  X  X  X  X  X|             
      Clear Cell Focus                     | X           X     X           X  X           X     X     X  X           X|             
      Degeneration, Cystic                 |                                                                1         |             
      Eosinophilic Focus                   |                                                                X     X   |             
      Hematopoietic Cell Proliferation     |                                                                   3      |             
      Hepatodiaphragmatic Nodule           |                                                                      X   |             
      Inflammation, Subacute               |          1                                                               |             
      Mixed Cell Focus                     |                                  X           X              X            |             
      Bile Duct, Hyperplasia               | 2  1  2  2  2  1  2        3  1  2     3  3  2  3  2  3     3  1  1  2  1|             
      Centrilobular, Atrophy               |                      2                    2           2                  |             
      Hepatocyte, Vacuolization Cytoplasmic|                                                                          |             
                                            __________________________________________________________________________|             
   Mesentery                               |                +     +           +                          +  +  +  +  +|             
      Accessory Spleen                     |                                                                   X      |             
      Fat, Necrosis                        |                4     3           3                          3  4     4  4|             
                                            __________________________________________________________________________|             
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                               2  1           2     2           1     2   |             
      Acinar Cell, Basophilic Focus        | X                                                  X                     |             
      Acinar Cell, Cytoplasmic Alteration  |    3     4                                                               |             
      Acinar Cell, Hyperplasia, Focal      |             2     3           1           2        3              2  2  2|             
                                            __________________________________________________________________________|             
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                          |             
      Mucosa, Hyperplasia                  | 1                                                                        |             
                                            __________________________________________________________________________|             
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ulcer                                |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypertrophy                          |                                     3                                    |             
      Inflammation, Chronic Active         |                                     3                                    |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  13                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 5| 7| 6| 7| 6| 7| 5| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 2| 3| 8| 3| 2| 3| 2| 6| 2| 3| 3| 4| 3| 3| 3| 9| 3| 3| 3| 3| 3| 2| 3| 3|             
                                           | 0| 1| 0| 9| 0| 7| 0| 6| 6| 6| 0| 0| 2| 0| 0| 0| 2| 0| 0| 0| 0| 0| 0| 0| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 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|             
    0 MG/KG                                | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|             
    FEED RTD                               | 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|             
 _____________________________________________________________________________________________________________________|             
 CARDIOVASCULAR SYSTEM - cont              |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cardiomyopathy                       | 2     1  2  2  2  2              3  2  2     2  1  3  2  3     1     1  2|             
 _____________________________________________________________________________________________________________________|             
 ENDOCRINE SYSTEM                          |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Accessory Adrenal Cortical Nodule    | X  X        X                          X           X              X     X|             
      Degeneration, Fatty                  |       1                                   1  2     1                     |             
      Hematopoietic Cell Proliferation     |                                                                   2      |             
      Hyperplasia, Focal                   |                               1                                          |             
      Hypertrophy, Focal                   |                                           1                              |             
                                            __________________________________________________________________________|             
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |       2           4                          1        2  2              2|             
                                            __________________________________________________________________________|             
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia                          |                                                          2               |             
                                            __________________________________________________________________________|             
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
                                            __________________________________________________________________________|             
   Pituitary Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Pars Distalis, Angiectasis           |                                  2                       3               |             
      Pars Distalis, Cyst                  |                                                          X               |             
      Pars Distalis, Hyperplasia, Focal    | 1                 2                 2     1           3           2      |             
      Pars Intermedia, Cyst                |                                           X                              |             
                                            __________________________________________________________________________|             
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ultimobranchial Cyst                 |                                                                          |             
      C-Cell, Hyperplasia                  | 1                                   1  1              1  2     1         |             
      Follicle, Cyst                       |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENERAL BODY SYSTEM                       |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Tissue NOS                              |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 GENITAL SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atypia Cellular                      | X           X  X  X        X  X  X  X  X     X     X     X  X  X  X  X  X|             
      Hypospermia                          | X     X     X  X  X        X  X  X     X        X  X     X  X  X        X|             
                                            __________________________________________________________________________|             
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ectasia                              | 3     3           4                    2           3                 3   |             
      Hyperplasia                          |                                                                   2      |             
      Inflammation, Chronic                | 2  2  2  3                 2  2                       2           3      |             
      Inflammation, Suppurative            | 2              3  3                    2        4  3        2        3   |             
                                            __________________________________________________________________________|             
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Corpora Amylacea                     |             2  2           2  2     2     2        2  2  2        3  3   |             
      Inflammation, Suppurative            |    2  2  2     1           1  1  2  1        2  4  2  2     1  3     2  1|             
      Epithelium, Hyperplasia              |       1                          2        1  2                 2         |             
                                            __________________________________________________________________________|             
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Dilatation                           |                                                 3                        |             
                                            __________________________________________________________________________|             
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
                                                             Page  14                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 5| 7| 6| 7| 6| 7| 5| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 2| 3| 8| 3| 2| 3| 2| 6| 2| 3| 3| 4| 3| 3| 3| 9| 3| 3| 3| 3| 3| 2| 3| 3|             
                                           | 0| 1| 0| 9| 0| 7| 0| 6| 6| 6| 0| 0| 2| 0| 0| 0| 2| 0| 0| 0| 0| 0| 0| 0| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 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|             
    0 MG/KG                                | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|             
    FEED RTD                               | 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                     |                                                                          |             
                                           |                                                                          |             
      Granuloma Sperm                      |                                                                          |             
      Interstitial Cell, Hyperplasia       |                1                    2     2                              |             
      Seminiferous Tubule, Atrophy         | 3              2                          3                              |             
 _____________________________________________________________________________________________________________________|             
 HEMATOPOIETIC SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hypercellularity                     |                                                 2                 4      |             
                                            __________________________________________________________________________|             
   Lymph Node                              | +                    +           +  +     +        +     +     +        +|             
      Iliac, Pigmentation                  |                                           3                              |             
      Mediastinal, Hemorrhage              | 3                                                  3           1        3|             
      Mediastinal, Pigmentation            | 2                    3           2                       3     3        3|             
      Pancreatic, Hemorrhage               |                                     2                                    |             
      Pancreatic, Hyperplasia, Lymphoid    |                                     2                                    |             
      Renal, Pigmentation                  |                                           3                              |             
                                            __________________________________________________________________________|             
   Lymph Node, Mandibular                  | +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                         3                                                |             
      Ectasia                              |                   3                                      2           3  4|             
      Hemorrhage                           |          3        1                                                      |             
      Hyperplasia, Lymphoid                |                                                          2     2         |             
      Hyperplasia, Plasma Cell             |                                                                          |             
      Pigmentation                         |                3           2                                             |             
                                            __________________________________________________________________________|             
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Ectasia                              |                                                          4               |             
      Hemorrhage                           |          2        1        3     2  1                                    |             
      Hyperplasia, Lymphoid                |                                     2                                    |             
      Pigmentation                         |          2                                                               |             
                                            __________________________________________________________________________|             
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Fibrosis                             |                            3                                      3      |             
      Hematopoietic Cell Proliferation     |             1                                                  2  4      |             
      Metaplasia                           |                            3                                             |             
      Necrosis                             |                                                                          |             
      Pigmentation, Hemosiderin            | 2  3  3  3     3  2                          2  3        2              3|             
      Lymphoid Follicle, Atrophy           |                            3                                             |             
                                            __________________________________________________________________________|             
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hemorrhage                           |                                                 2                        |             
 _____________________________________________________________________________________________________________________|             
 INTEGUMENTARY SYSTEM                      |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Hyperplasia, Cystic                  |    2  4  2     3           3  1                 3              3     2   |             
      Hyperplasia, Lobular                 |                                                                          |             
                                            __________________________________________________________________________|             
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Acanthosis                           |                                  3                                       |             
      Cyst Epithelial Inclusion            |                   X           X                                          |             
      Hyperkeratosis                       |                                  3                                       |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  15                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 5| 7| 6| 7| 6| 7| 5| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 2| 3| 8| 3| 2| 3| 2| 6| 2| 3| 3| 4| 3| 3| 3| 9| 3| 3| 3| 3| 3| 2| 3| 3|             
                                           | 0| 1| 0| 9| 0| 7| 0| 6| 6| 6| 0| 0| 2| 0| 0| 0| 2| 0| 0| 0| 0| 0| 0| 0| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 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|             
    0 MG/KG                                | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|             
    FEED RTD                               | 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               |                                                                          |             
                                           |                                                                          |             
      Inflammation, Suppurative            |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 MUSCULOSKELETAL SYSTEM                    |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Calvarium, Osteopetrosis             |                                                                          |             
                                            __________________________________________________________________________|             
   Skeletal Muscle                         |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 NERVOUS SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Atrophy                              |                                  2                                       |             
      Compression                          |    X     X     X           X                                   X         |             
      Hydrocephalus                        |          2     3           3                                             |             
                                            __________________________________________________________________________|             
   Peripheral Nerve                        |                                                                          |             
                                            __________________________________________________________________________|             
   Spinal Cord                             |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 RESPIRATORY SYSTEM                        |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Congestion                           |                         2                       3                        |             
      Edema                                |                         2                                                |             
      Foreign Body                         |                         3                                                |             
      Hemorrhage                           |                         2                 2                              |             
      Infiltration Cellular, Histiocyte    |                            1        1                 1        1     1   |             
      Inflammation, Subacute               |             1           1                                                |             
      Inflammation, Suppurative            |                                                                      1   |             
      Alveolar Epithelium, Hyperplasia     |                               2                             2        2   |             
                                            __________________________________________________________________________|             
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Exudate                              | X        X        X                             X     X  X              X|             
      Foreign Body                         |                                                 2     2  4              1|             
      Fungus                               |          X        X                                                      |             
      Mucosa, Hyperplasia                  |                   2                 1                    3           1  3|             
      Mucosa, Metaplasia, Squamous         |          2                                               2               |             
                                            __________________________________________________________________________|             
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
 _____________________________________________________________________________________________________________________|             
 SPECIAL SENSES SYSTEM                     |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Zymbal's Gland                          |                                                                          |             
 _____________________________________________________________________________________________________________________|             
 URINARY SYSTEM                            |                                                                          |             
                                           |                                                                          |             
                                            __________________________________________________________________________|             
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Cyst                                 |                                                    X                     |             
      Inflammation, Suppurative            |                                                                         1|             
      Mineralization                       |    1     1                 1     2        1                              |             
      Nephropathy                          | 1  1  1  2  1  1  2  2  1  2  1  1  1  1  2  1  1  1  1  2  1  1  2  1  2|             
      Renal Tubule, Dilatation             |                                                                          |             
      Renal Tubule, Pigmentation           |                      2                                                   |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  16                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 _____________________________________________________________________________________________________________________              
                                           | 7| 5| 7| 6| 7| 6| 7| 5| 0| 7| 7| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7|             
                             DAY ON TEST   | 3| 2| 3| 8| 3| 2| 3| 2| 6| 2| 3| 3| 4| 3| 3| 3| 9| 3| 3| 3| 3| 3| 2| 3| 3|             
                                           | 0| 1| 0| 9| 0| 7| 0| 6| 6| 6| 0| 0| 2| 0| 0| 0| 2| 0| 0| 0| 0| 0| 0| 0| 0|             
 _____________________________________________________________________________________________________________________|             
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|             
                               ANIMAL ID   | 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|             
    0 MG/KG                                | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|             
    FEED RTD                               | 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                     |                                                                          |             
                                           |                                                                          |             
      Transitional Epithelium, Hyperplasia |                                                             1            |             
                                            __________________________________________________________________________|             
   Urethra                                 |                                     +                                    |             
      Bulbourethral Gland, Ectasia         |                                     3                                    |             
                                            __________________________________________________________________________|             
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|             
      Dilatation                           |                                                                          |             
 _____________________________________________________________________________________________________________________|             
                                                             Page  17                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 5| 7| 7| 7| 6| 7| 4| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 7| 0| 3| 3| 9| 0| 8| 3| 5| 3| 3| 3| 8| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 9|            |
                                           | 0| 8| 9| 1| 1| 7| 4| 4| 0| 8| 1| 1| 1| 9| 1| 0| 1| 1| 0| 6| 3| 1| 1| 1| 1|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 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     |
    0 MG/KG                                | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      L     |
    FEED RTD                               | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|            |
 __________________________________________________________________________________________________________________________________ 
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Perforation                          |                                                                          |      1     |
                                            __________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Parasite Metazoan                    |                            X                    X                        |      5     |
                                            __________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Parasite Metazoan                    |                                              X  X                        |      6     |
                                            __________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Edema                                |       3              2                                                   |      2  2.5|
      Ulcer                                |       3                                                                  |      1  3.0|
                                            __________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                            __________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |                            2                                            2|      2  2.0|
                                            __________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Basophilic Focus                     | X        X  X     X     X     X  X  X     X  X     X  X     X  X  X  X  X|     36     |
      Clear Cell Focus                     |             X                 X  X  X  X     X     X  X        X  X  X   |     21     |
      Degeneration, Cystic                 |                                     1                                    |      2  1.0|
      Eosinophilic Focus                   | X              X                                            X  X     X   |      7     |
      Hematopoietic Cell Proliferation     |                                        1                                 |      2  2.0|
      Hepatodiaphragmatic Nodule           |                         X        X                                       |      3     |
      Inflammation, Subacute               | 1                                                                        |      2  1.0|
      Mixed Cell Focus                     |             X                 X              X  X  X     X        X  X   |     11     |
      Bile Duct, Hyperplasia               | 2  3  4  3  2  1  2     2  1  2     2  1        1  1  2     4  2  1  2   |     40  2.0|
      Centrilobular, Atrophy               |                                                             2            |      4  2.0|
      Hepatocyte, Vacuolization Cytoplasmic|       3                    2                       3                     |      3  2.7|
                                            __________________________________________________________________________|____________|
   Mesentery                               |       +  +           +     +                    +     +     +        +   |  16        |
      Accessory Spleen                     |                                                                          |      1     |
      Fat, Necrosis                        |       3  3                 3                    2     3     3        3   |     14  3.2|
                                            __________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy                              | 1  1     1  1  1  1     2                    1  1     1                 2|     17  1.4|
      Acinar Cell, Basophilic Focus        |          X                                                               |      3     |
      Acinar Cell, Cytoplasmic Alteration  |                                                                          |      2  3.5|
      Acinar Cell, Hyperplasia, Focal      | 2                 3     2        1  4  3        3           3  4         |     17  2.5|
                                            __________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                            __________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |                2                                                         |      1  2.0|
      Mucosa, Hyperplasia                  |                3                                                         |      2  2.0|
                                            __________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ulcer                                |                      3                                                   |      1  3.0|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page  18                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 5| 7| 7| 7| 6| 7| 4| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 7| 0| 3| 3| 9| 0| 8| 3| 5| 3| 3| 3| 8| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 9|            |
                                           | 0| 8| 9| 1| 1| 7| 4| 4| 0| 8| 1| 1| 1| 9| 1| 0| 1| 1| 0| 6| 3| 1| 1| 1| 1|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 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     |
    0 MG/KG                                | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      L     |
    FEED RTD                               | 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                  |                                                                          |            |
                                           |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hypertrophy                          |                                                                          |      1  3.0|
      Inflammation, Chronic Active         |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cardiomyopathy                       | 2     1  3     3                 2  1  2           2     2  2  2  1     2|     30  1.9|
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Accessory Adrenal Cortical Nodule    | X        X              X                 X           X                 X|     13     |
      Degeneration, Fatty                  |                                                                          |      4  1.3|
      Hematopoietic Cell Proliferation     |                                                                          |      1  2.0|
      Hyperplasia, Focal                   |                                     1                    1               |      3  1.0|
      Hypertrophy, Focal                   |                                                                         1|      2  1.0|
                                            __________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia                          | 1  2  2  1                    1                             1  1  1      |     14  1.6|
                                            __________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia                          |                                              3                           |      2  2.5|
                                            __________________________________________________________________________|____________|
   Parathyroid Gland                       | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
                                            __________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +  +  +  +  +  +  +  M  +  +  +|  48        |
      Pars Distalis, Angiectasis           | 2                                                        2               |      4  2.3|
      Pars Distalis, Cyst                  |                                  X     X                 X        X  X   |      6     |
      Pars Distalis, Hyperplasia, Focal    | 2           1                       3     2  1              2        2  1|     14  1.8|
      Pars Intermedia, Cyst                |                                                                          |      1     |
                                            __________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ultimobranchial Cyst                 |                               X     X                                X   |      3     |
      C-Cell, Hyperplasia                  |       1        1        1     1           1  1  2              2         |     14  1.2|
      Follicle, Cyst                       |                                                             X            |      1     |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Tissue NOS                              |                      +                                                   |   1        |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atypia Cellular                      | X     X  X     X              X  X  X     X  X  X     X     X  X  X     X|     32     |
      Hypospermia                          | X     X  X  X                 X  X  X  X  X  X  X  X  X     X  X  X  X  X|     33     |
                                            __________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ectasia                              | 2        3                          2              3     2  3            |     12  2.8|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page  19                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 5| 7| 7| 7| 6| 7| 4| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 7| 0| 3| 3| 9| 0| 8| 3| 5| 3| 3| 3| 8| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 9|            |
                                           | 0| 8| 9| 1| 1| 7| 4| 4| 0| 8| 1| 1| 1| 9| 1| 0| 1| 1| 0| 6| 3| 1| 1| 1| 1|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 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     |
    0 MG/KG                                | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      L     |
    FEED RTD                               | 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                     |                                                                          |            |
                                           |                                                                          |            |
      Hyperplasia                          |                                                                          |      1  2.0|
      Inflammation, Chronic                | 3     2                    2        2        3        2     3           2|     16  2.3|
      Inflammation, Suppurative            | 3        4                                         3     2  3           2|     14  2.8|
                                            __________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Corpora Amylacea                     | 2     3  2        2     2     2        2              2        2  2  2   |     22  2.1|
      Inflammation, Suppurative            | 1        3     2  3     3  1        2     2        1              3  1   |     27  1.9|
      Epithelium, Hyperplasia              |                         1     1                 2                        |      8  1.5|
                                            __________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Dilatation                           |                   4                                                      |      2  3.5|
                                            __________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Granuloma Sperm                      |                                                             3            |      1  3.0|
      Interstitial Cell, Hyperplasia       |    1              1     1  2                                             |      7  1.4|
      Seminiferous Tubule, Atrophy         | 4                                                                        |      4  3.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hypercellularity                     |                                        3                                 |      3  3.0|
                                            __________________________________________________________________________|____________|
   Lymph Node                              |       +  +           +                          +           +           +|  15        |
      Iliac, Pigmentation                  |                                                                          |      1  3.0|
      Mediastinal, Hemorrhage              |          3                                                              2|      6  2.5|
      Mediastinal, Pigmentation            |          4                                                              3|      8  2.9|
      Pancreatic, Hemorrhage               |                                                                          |      1  2.0|
      Pancreatic, Hyperplasia, Lymphoid    |                                                                          |      1  2.0|
      Renal, Pigmentation                  |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  49        |
      Congestion                           |                                                                          |      1  3.0|
      Ectasia                              | 2     2                                                     2            |      7  2.6|
      Hemorrhage                           |                         1                             1                  |      4  1.5|
      Hyperplasia, Lymphoid                | 2                 2     2                                                |      5  2.0|
      Hyperplasia, Plasma Cell             |                                                                         2|      1  2.0|
      Pigmentation                         |                                                                          |      2  2.5|
                                            __________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Ectasia                              |                                                 3                        |      2  3.5|
      Hemorrhage                           |                                                          1               |      6  1.7|
      Hyperplasia, Lymphoid                |                                                                          |      1  2.0|
      Pigmentation                         |                                                          2               |      2  2.0|
                                            __________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Fibrosis                             |          3                                                               |      3  3.0|
      Hematopoietic Cell Proliferation     |             2        2     2           3  2     2                        |      9  2.2|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page  20                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 5| 7| 7| 7| 6| 7| 4| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 7| 0| 3| 3| 9| 0| 8| 3| 5| 3| 3| 3| 8| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 9|            |
                                           | 0| 8| 9| 1| 1| 7| 4| 4| 0| 8| 1| 1| 1| 9| 1| 0| 1| 1| 0| 6| 3| 1| 1| 1| 1|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 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     |
    0 MG/KG                                | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      L     |
    FEED RTD                               | 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               |                                                                          |            |
                                           |                                                                          |            |
      Metaplasia                           |                                                                          |      1  3.0|
      Necrosis                             |       3                                                                  |      1  3.0|
      Pigmentation, Hemosiderin            |          2     3  2     1        2  2        2     2  2  2               |     20  2.3|
      Lymphoid Follicle, Atrophy           |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hemorrhage                           |                                                                          |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Hyperplasia, Cystic                  |    2     3     4        3     2     2                       1            |     16  2.5|
      Hyperplasia, Lobular                 |                                                       2                  |      1  2.0|
                                            __________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Acanthosis                           |                                                                      2   |      2  2.5|
      Cyst Epithelial Inclusion            |          X                             X                                 |      4     |
      Hyperkeratosis                       |                                                                      2   |      2  2.5|
      Inflammation, Suppurative            |                   4                                                      |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Calvarium, Osteopetrosis             |                                              3                           |      1  3.0|
                                            __________________________________________________________________________|____________|
   Skeletal Muscle                         |                      +                                                   |   1        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Atrophy                              |                                                                          |      1  2.0|
      Compression                          |                X        X                                                |      7     |
      Hydrocephalus                        |                2        2                                                |      5  2.4|
                                            __________________________________________________________________________|____________|
   Peripheral Nerve                        |                   +                                                      |   1        |
                                            __________________________________________________________________________|____________|
   Spinal Cord                             |                   +                                                      |   1        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Congestion                           |                                                                          |      2  2.5|
      Edema                                |                            2                                             |      2  2.0|
      Foreign Body                         |                                                          1               |      2  2.0|
      Hemorrhage                           |    2                 2                                   2               |      5  2.0|
      Infiltration Cellular, Histiocyte    |                   1     1                 1                              |      8  1.0|
      Inflammation, Subacute               |                            2                                             |      3  1.3|
      Inflammation, Suppurative            |                                                          2               |      2  1.5|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
                                                             Page  21                                                               
NTP Experiment-Test: 05099-07                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: CHRONIC                                      SALICYLAZOSULFAPYRIDINE                                  Date: 04/07/95  
Route: GAVAGE                                                                                                     Time: 15:23:08  
                                                                                                                                    
 __________________________________________________________________________________________________________________________________ 
                                           | 7| 5| 7| 7| 7| 6| 7| 4| 7| 4| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 5|            |
                             DAY ON TEST   | 3| 7| 0| 3| 3| 9| 0| 8| 3| 5| 3| 3| 3| 8| 3| 3| 3| 3| 3| 4| 0| 3| 3| 3| 9|            |
                                           | 0| 8| 9| 1| 1| 7| 4| 4| 0| 8| 1| 1| 1| 9| 1| 0| 1| 1| 0| 6| 3| 1| 1| 1| 1|      T (*) |
 _____________________________________________________________________________________________________________________|            |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      O     |
   FISCHER 344 RATS MALE                   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|      T     |
                               ANIMAL ID   | 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     |
    0 MG/KG                                | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7|      L     |
    FEED RTD                               | 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 Epithelium, Hyperplasia     | 2                                1              2     2                  |      7  1.9|
                                            __________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Exudate                              | X  X  X  X              X              X  X              X               |     15     |
      Foreign Body                         |    2     2              2                                                |      7  2.1|
      Fungus                               |       X                                                                  |      3     |
      Mucosa, Hyperplasia                  |    2     2              2                                                |      8  2.0|
      Mucosa, Metaplasia, Squamous         |       2                                                                  |      3  2.0|
                                            __________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Zymbal's Gland                          |    +                                                                    +|   2        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |                                                                          |            |
                                            __________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Cyst                                 |                                                                          |      1     |
      Inflammation, Suppurative            | 1                 1                                                      |      3  1.0|
      Mineralization                       |                                  1                                       |      6  1.2|
      Nephropathy                          | 2  1  1  1  1  1  1  1  2  1  2  2  2  1  1  1  1  1  1  2  1  2  2  2  1|     50  1.3|
      Renal Tubule, Dilatation             |                            2                                             |      1  2.0|
      Renal Tubule, Pigmentation           |       3                                                     3            |      3  2.7|
      Transitional Epithelium, Hyperplasia |       1           1                             1                 1      |      5  1.0|
                                            __________________________________________________________________________|____________|
   Urethra                                 |                                                                          |   1        |
      Bulbourethral Gland, Ectasia         |                                                                          |      1  3.0|
                                            __________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +|  50        |
      Dilatation                           |                   4                                                      |      1  4.0|
 __________________________________________________________________________________________________________________________________ 
  * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade                         
  + : Tissue examined microscopically                M : Missing tissue                        1-4 : Lesion qualified as:           
  X : Lesion present but not qualified               A : Autolysis precludes examination               1) Minimal  3) Moderate      
  I : Insufficient tissue                        BLANK : Not examined                                  2) Mild     4) Marked        
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