National Toxicology Program

National Toxicology Program
https://ntp.niehs.nih.gov/go/14517

TDMS Study 99039-01 Pathology Tables

NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03
Route: DOSED FEED                                                                                                 Time: 10:24:35

                                                       FINAL#3/TG.AC MICE




       Facility:  BIORELIANCE

       Chemical CAS #:  55589-62-3

       Lock Date:  07/20/01

       Cage Range:  All

       Reasons For Removal:    All

       Removal Date Range:     All

       Treatment Groups:       Include 001    VEHICLE CONTROL
                               Include 002    0.3%
                               Include 003    1.0 %
                               Include 004    3.0 %
                               Include 006    VEHICLE CONTROL
                               Include 007    0.3 %
                               Include 008    1.0%
                               Include 009    3.0%





























                                                              Page   1


NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 4| 3| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 0| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|                             |      L     |
    CONTROL                                | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  A  +  A  +  +  +  +  +  +  M  +  +  +  +                              |  12        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Inflammation, Chronic                |                            1              1                              |      2  1.0|
      Necrosis, Focal                      |                         1                                                |      1  1.0|
      Hepatocyte, Inflammation, Chronic    |                                     1                                    |      1  1.0|
      Hepatocyte, Necrosis, Focal          |       1                                1                                 |      2  1.0|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                +        +                                                |   2        |
      Fat, Necrosis, Focal                 |                4        4                                                |      2  4.0|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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   2                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 4| 3| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 0| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|                             |      L     |
    CONTROL                                | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Ulcer                                | 3                                                                        |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Tooth                                   |    +                 +                                                   |   2        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  M  +  +  +  +  +  M  M  +  +                              |  12        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
      Subcapsular, Hyperplasia, Focal      | 1     1     1     1  1  1        1  1  1                                 |      9  1.0|
      Zona Reticularis, Vacuolization      |                                                                          |            |
          Cytoplasmic                      |    2              2  1  2     1  1  2  2  2                              |      9  1.7|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  A  M  M  M  +  +  M  +  +  M  M  M  M  M                              |   5        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  I  +  +  +  +  +  I  I  +  +  +  +  +  +                              |  12        |
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | +  A  +  M  +  +  +  M  I  +  +  M  +  M  +                              |   9        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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   3                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 4| 3| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 0| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|                             |      L     |
    CONTROL                                | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +     +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
      Endometrium, Hyperplasia, Cystic     |       2     1        2        3  2  1     2                              |      7  1.9|
                                           |__________________________________________________________________________|____________|
   Vagina                                  | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
      Hyperplasia                          |                      2                                                   |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  A  M  +  +  +  M  +  +  +  +  +  +                              |  12        |
      Hyperplasia                          |    2                                                                     |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  A  +  A  +  +  M  +  +  +  +  +  +  +  +                              |  12        |
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hematopoietic Cell Proliferation     | 2     1     2  1  2  2  2  2  1  1     1  1                              |     12  1.5|
      Pigmentation                         |                   2        1     1                                       |      3  1.3|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  A  +  A  +  +  +  M  +  M  +  +  +  +  +                              |  11        |
      Atrophy, Diffuse                     | 3                                                                        |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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   4                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 4| 3| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 0| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|                             |      L     |
    CONTROL                                | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 MUSCULOSKELETAL SYSTEM - cont             |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | M  +  I  A  I  +  I  +  I  M  I  I  I  I  M                              |   3        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  A  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Pleura                                  | +                                                                        |   1        |
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  I  +  +  +                              |  14        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
      Retina, Atrophy                      | 3     3     3  3  3  3  3  3  3  3  3  3  3                              |     13  3.0|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  M  +  +  +  +  +  +  +  +  +  +                              |  14        |
      Infiltration Cellular, Focal,        |                                                                          |            |
          Lymphocyte                       |                               1                                          |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          | +  M  M  +  +  +  +  +  +  +  +  +  M  +  M                              |  11        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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   5                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 4| 3| 7| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 0| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9|                             |      L     |
    CONTROL                                | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 URINARY SYSTEM - cont                     |                                                                          |            |
   Urinary Bladder                         | +  A  +  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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   6                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 0| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 9| 7| 5| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 6| 4| 7| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      A     |
    0.3 %                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Liver                                   |                         +           +                                    |   2        |
                                           |__________________________________________________________________________|____________|
   Pancreas                                |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +        +  +  +  +  A  +     +  A     +                              |   9        |
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Tongue                                  |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Tooth                                   |                               +                                          |   1        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 0| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 9| 7| 5| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 6| 4| 7| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      A     |
    0.3 %                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 CARDIOVASCULAR SYSTEM - cont              |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Heart                                   |                                     A                                    |            |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       |                                     M                                    |            |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         |                                     M                                    |            |
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           |                                     A                                    |            |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Ovary                                   |                               A     A  +                                 |   1        |
                                           |__________________________________________________________________________|____________|
   Uterus                                  |       +     +                       A                                    |   2        |
      Endometrium, Hyperplasia, Cystic     |       3     2                                                            |      2  2.5|
                                           |__________________________________________________________________________|____________|
   Vagina                                  |                                     A                                    |            |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 0| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 9| 7| 5| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 6| 4| 7| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      A     |
    0.3 %                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 HEMATOPOIETIC SYSTEM - cont               |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Spleen                                  |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Thymus                                  |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +                 +              +  +                                 |   5        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    |                               +     +                                    |   2        |
      Mandible, Inflammation, Chronic      |                                                                          |            |
          Active                           |                               2                                          |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Lung                                    |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Nose                                    |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 0| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 9| 7| 5| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 6| 4| 7| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      A     |
    0.3 %                                  | 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Trachea                                 |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     |                                     A                                    |            |
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          |                                     +                                    |   1        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  |                                     +                                    |   1        |
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         |                               A     A                                    |            |
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 0| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 2| 4| 0| 4| 4| 7| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                             |      A     |
    1.0%                                   | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                      +                                                   |   1        |
      Fat, Inflammation, Acute, Focal      |                      4                                                   |      1  4.0|
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +     +     +  +  +     +     +                                 |  10        |
                                           |__________________________________________________________________________|____________|
   Tooth                                   |    +     +  +  +  +           +                                          |   6        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Uterus                                  |    +                                                                     |   1        |
      Endometrium, Hyperplasia, Cystic     |    3                                                                     |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Spleen                                  |             +        +     +                                             |   3        |
      Hematopoietic Cell Proliferation     |             3        3     2                                             |      3  2.7|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Skin                                    |    +  +                    +     +     +  +                              |   6        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    |       +                                                                  |   1        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 0| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 2| 4| 0| 4| 4| 7| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                             |      A     |
    1.0%                                   | 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM                        |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 3| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 2| 4| 4| 6| 4| 4| 4| 4| 5| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                             |      A     |
    3.0%                                   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Inflammation, Chronic                |          2  1        1                                                   |      3  1.3|
      Tension Lipidosis, Focal             |                                     1                                    |      1  1.0|
      Hepatocyte, Necrosis, Focal          |       1                          1  1                                    |      3  1.0|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Tooth                                   | +        +              +           +                                    |   4        |
 _____________________________________________________________________________________________________________________|            |
                                                                                                                                    
  * : 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  13                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 3| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 2| 4| 4| 6| 4| 4| 4| 4| 5| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                             |      A     |
    3.0%                                   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Subcapsular, Hyperplasia, Focal      | 1  1           1  1  1                 1                                 |      6  1.0|
      Zona Reticularis, Vacuolization      |                                                                          |            |
          Cytoplasmic                      |    1        2     2  2     2  2  1  1  1  2                              |     10  1.6|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | M  M  +  M  +  M  M  +  +  M  M  M  M  +  +                              |   6        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  I  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Clitoral Gland                          | M  +  +  +  +  +  +  +  +  M  I  +  +  +  +                              |  12        |
                                           |__________________________________________________________________________|____________|
   Ovary                                   | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Uterus                                  | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
      Endometrium, Hyperplasia, Cystic     | 1  2  2     2     1  2        2     2  1  2                              |     10  1.7|
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  14                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 3| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 2| 4| 4| 6| 4| 4| 4| 4| 5| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                             |      A     |
    3.0%                                   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
   Vagina                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hyperplasia                          | 2        3                          1                                    |      3  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hematopoietic Cell Proliferation     | 1  2  2  2  3  2  4  2        1  2  2  1  2                              |     13  2.0|
      Pigmentation                         |                1           1                                             |      2  1.0|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  M  +  +  +  +  +  +                              |  14        |
      Atrophy, Diffuse                     |          4                                                               |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Mandible, Inflammation, Chronic      |                                                                          |            |
          Active                           |                         3                                                |      1  3.0|
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS 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  15                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 3| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 2| 4| 4| 6| 4| 4| 4| 4| 5| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS FEMALE          | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1|                             |      A     |
    3.0%                                   | 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 NERVOUS SYSTEM - cont                     |                                                                          |            |
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | I  I  +  +  I  +  +  +  +  I  +  +  +  +  +                              |  11        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hemorrhage, Focal                    |                            1                                             |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Ear                                     |                               +           +                              |   2        |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  A  +  +  +  +  +  +                              |  14        |
      Retina, Atrophy                      | 3  3  3  3  3  3  3  3     3  3  3  3  3  3                              |     14  3.0|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          | +  M  +  +  +  +  +  M  +  M  I  M  +  +  +                              |  10        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Renal Tubule, Dilatation, Focal      |    1                                                                     |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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  16                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 1| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 8| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  +  +  M  +  +  M  +  +  I  +  +  +  +  M                              |  11        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  A                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hematopoietic Cell Proliferation     |                1                                                         |      1  1.0|
      Inflammation, Chronic                |                1                                                         |      1  1.0|
      Hepatocyte, Necrosis, Focal          |                            1                                             |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                   +                    +                                 |   2        |
      Fat, Necrosis, Focal                 |                   4                    4                                 |      2  4.0|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Inflammation, Chronic Active         | 1                                                                        |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  17                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 1| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 8| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM - cont                  |                                                                          |            |
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Tooth                                   |                +     +     +     +                                       |   4        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  +  M  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M                              |  14        |
      Atrophy                              | 3  3  3  3  2        2  3  1  2        2                                 |     10  2.4|
      Hypertrophy, Focal                   | 2  1  1  1     2     1     1  1        1                                 |      9  1.2|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M                              |  14        |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | +  M  +  M  M  M  I  M  M  +  M  M  M  M  M                              |   3        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  +  +  +  +  +  +  +  M  I  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Penis                                   |                +                                                         |   1        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 1| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 8| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Cyst                                 |                               X                                          |      1     |
                                           |__________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Germinal Epithelium, Degeneration,   |                                                                          |            |
           Focal                           |             3                                                            |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +                              |  14        |
      Hyperplasia                          |                3           3                                             |      2  3.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Atrophy                              |                4                                                         |      1  4.0|
      Hematopoietic Cell Proliferation     | 2  1  2  2  1     2  1  2  2  1                                          |     10  1.6|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Atrophy, Diffuse                     | 4              3                 4                                       |      3  3.7|
      Atrophy, Focal                       |    1                       1                                             |      2  1.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | M  M  M  M  M  M  M  M  M  M  M  M  M  M  M                              |            |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 1| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 8| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 INTEGUMENTARY SYSTEM - cont               |                                                                          |            |
      Sebaceous Gland, Hyperplasia, Focal  |                   1                                                      |      1  1.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | +  +  +  +  +  +  +  +  +  +  +  I  +  M  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Glands, Hyperplasia                  |       2                                                                  |      1  2.0|
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Retina, Atrophy                      | 3  3  3  3  3  3  3  3  3  3  3  3  3  3  3                              |     15  3.0|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          | +  +  +  +  +  +  M  M  M  M  M  M  I  +  M                              |   7        |
 _____________________________________________________________________________________________________________________|            |
 URINARY 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  20                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 1| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 4| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 7| 4| 4| 4| 4| 4| 8| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    VEHICLE                                | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1|                             |      L     |
    CONTROL                                | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 URINARY SYSTEM - cont                     |                                                                          |            |
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Edema                                |                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  21                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 0|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 3| 4| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 3| 8| 1| 4| 4| 4| 4| 4| 4| 1|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    0.3%                                   | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    |       +  +     +        +  +     +                                       |   6        |
                                           |__________________________________________________________________________|____________|
   Tooth                                   |                +  +                       +                              |   3        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Penis                                   |                +                                                         |   1        |
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Spleen                                  |                      +                                                   |   1        |
      Hematopoietic Cell Proliferation     |                      3                                                   |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +     +           +  +        +  +                                    |   7        |
      Subcutaneous Tissue, Pinna,          |                                                                          |            |
          Inflammation, Acute, Focal       |                      4                                                   |      1  4.0|
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  22                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 0|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 3| 4| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 3| 8| 1| 4| 4| 4| 4| 4| 4| 1|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    0.3%                                   | 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  |                      +                                                   |   1        |
      Infiltration Cellular, Plasma Cell   |                      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  23                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 6| 9| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    1.0 %                                  | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Liver                                   |             +                                                            |   1        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    |    +           +                    +                                    |   3        |
 _____________________________________________________________________________________________________________________|            |
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Preputial Gland                         | +                                                                        |   1        |
      Cyst                                 | 3                                                                        |      1  3.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Spleen                                  |             +                                                            |   1        |
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Skin                                    |       +  +        +  +     +  +     +     +                              |   8        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 NERVOUS SYSTEM                            |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 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  24                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 6| 9| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    1.0 %                                  | 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4|                             |      L     |
                                           | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 RESPIRATORY SYSTEM - cont                 |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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  25                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    3.0 %                                  | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 ALIMENTARY SYSTEM                         |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Esophagus                               | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Gallbladder                             | +  +  A  A  +  +  +  +  +  +  +  +  +  +  +                              |  13        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Colon                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Rectum                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Large, Cecum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Duodenum               | +  +  A  +  +  +  +  +  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Jejunum                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Intestine Small, Ileum                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Liver                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Mesentery                               |                                        +  +                              |   2        |
      Fat, Necrosis, Focal                 |                                        1  1                              |      2  1.0|
                                           |__________________________________________________________________________|____________|
   Pancreas                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Salivary Glands                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Stomach, Forestomach                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Stomach, Glandular                      | +  +  +  +  +  +  +  +  +  +  +  +  +  M  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Tongue                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Tooth                                   |                      +              +                                    |   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  26                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    3.0 %                                  | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 CARDIOVASCULAR SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Blood Vessel                            | +  +  +  +  +  +  +  +  +  +  M  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Heart                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 ENDOCRINE SYSTEM                          |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Adrenal Cortex                          | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Atrophy                              | 3  2  2  2  3  3     2           3  2  2  3                              |     11  2.5|
      Hypertrophy, Focal                   |    1  1  1                       1        1                              |      5  1.0|
                                           |__________________________________________________________________________|____________|
   Adrenal Medulla                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Islets, Pancreatic                      | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Parathyroid Gland                       | M  I  M  +  M  M  M  M  M  +  M  M  M  M  M                              |   2        |
                                           |__________________________________________________________________________|____________|
   Pituitary Gland                         | +  I  +  +  +  +  +  +  +  +  I  +  I  I  +                              |  11        |
                                           |__________________________________________________________________________|____________|
   Thyroid Gland                           | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 GENERAL BODY SYSTEM                       |                                                                          |            |
    None                                   |                                                                          |            |
 _____________________________________________________________________________________________________________________|            |
 GENITAL SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Coagulating Gland                       |                               +                                          |   1        |
                                           |__________________________________________________________________________|____________|
   Epididymis                              | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Preputial Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Prostate                                | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
 _____________________________________________________________________________________________________________________|____________|
                                                                                                                                    
  * : 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  27                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    3.0 %                                  | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 GENITAL SYSTEM - cont                     |                                                                          |            |
   Seminal Vesicle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Testes                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Germinal Epithelium, Degeneration,   |                                                                          |            |
           Focal                           |                                        2                                 |      1  2.0|
 _____________________________________________________________________________________________________________________|            |
 HEMATOPOIETIC SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone Marrow                             | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hyperplasia                          |                      1                                                   |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mandibular                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hyperplasia                          |    2                 2                                                   |      2  2.0|
                                           |__________________________________________________________________________|____________|
   Lymph Node, Mesenteric                  | +  +  +  +  +  +  +  M  +  +  +  +  +  +  +                              |  14        |
                                           |__________________________________________________________________________|____________|
   Spleen                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Hematopoietic Cell Proliferation     | 2        1  1  1  1  1        1                                          |      7  1.1|
                                           |__________________________________________________________________________|____________|
   Thymus                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  M                              |  14        |
      Atrophy, Diffuse                     |             1        4                                                   |      2  2.5|
 _____________________________________________________________________________________________________________________|            |
 INTEGUMENTARY SYSTEM                      |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Mammary Gland                           | M  M  M  M  M  M  M  M  M  M  M  M  M  M  M                              |            |
                                           |__________________________________________________________________________|____________|
   Skin                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 MUSCULOSKELETAL SYSTEM                    |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Bone                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Skeletal Muscle                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
                                                                                                                                    
  * : 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  28                                                               
                                                                                                                                   
NTP Experiment-Test: 99039-01                  NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL                         Report: PEIRPT09  
Study Type: 26-39 WEEKS                    TRANSGENIC MODEL EVALUATION II  (ACESULFAME POTASSIUM)                 Date: 02/21/03    
Route: DOSED FEED                                                                                                 Time: 10:24:35    
 __________________________________________________________________________________________________________________________________ 
                                           | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 1| 2| 2|                             |            |
                             DAY ON TEST   | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7|                             |            |
                                           | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| 4| 4|                             |            |
 __________________________________________|__________________________________________________________________________|      T (*) |
                                           | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      O     |
   TGAC (FVB/N) HEMIZYGOUS MALE            | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      T     |
                               ANIMAL ID   | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0|                             |      A     |
    3.0 %                                  | 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6|                             |      L     |
                                           | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0|                             |            |
 _____________________________________________________________________________________________________________________|____________|
 NERVOUS SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Brain                                   | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 RESPIRATORY SYSTEM                        |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Larynx                                  | +  +  +  I  +  +  M  +  +  M  I  +  I  I  I                              |   8        |
                                           |__________________________________________________________________________|____________|
   Lung                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Alveolar Epithelium, Alveolus,       |                                                                          |            |
          Inflammation, Chronic Active,    |                                                                          |            |
           Focal                           | 1                                                                        |      1  1.0|
                                           |__________________________________________________________________________|____________|
   Nose                                    | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Trachea                                 | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 _____________________________________________________________________________________________________________________|            |
 SPECIAL SENSES SYSTEM                     |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Eye                                     | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Retina, Atrophy                      | 3  3  3  3  3  3  3     4  3  3  3  3  3  3                              |     14  3.1|
                                           |__________________________________________________________________________|____________|
   Harderian Gland                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
                                           |__________________________________________________________________________|____________|
   Zymbal's Gland                          | M  +  +  M  +  M  +  +  +  +  +  M  +  +  M                              |  10        |
 _____________________________________________________________________________________________________________________|            |
 URINARY SYSTEM                            |                                                                          |            |
                                           |__________________________________________________________________________|____________|
   Kidney                                  | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
      Renal Tubule, Dilatation, Diffuse    |                                     4                                    |      1  4.0|
      Renal Tubule, Dilatation, Focal      |             2  1                                                         |      2  1.5|
                                           |__________________________________________________________________________|____________|
   Urinary Bladder                         | +  +  +  +  +  +  +  +  +  +  +  +  +  +  +                              |  15        |
 __________________________________________________________________________________________________________________________________ 
                                                                                                                                    
  * : 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  29                                                               
                                                                                                                                   
                             ------------------------------------------------------------                                           
                             ----------              END OF REPORT             ----------                                           
                             ------------------------------------------------------------                                           
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.