Information Prepared by

Mary L.A. Giknis, Ph.D.

Charles B. Clifford, D.V.M., Ph.D.

March 2010

Spontaneous Neoplastic Lesions

in the Crl:CD1 (ICR) Mouse

in Control Groups from

18 Month to 2 Year Studies

1

1

1

1

2

2

2

2

2

3

3

3

3

4

4

4

5

5

6

7

8

12

16

17

1

2

3

4

5

6

7

8

9

(cont.)

10

(cont.)

11

(cont.)

12

13

(cont.)

14

(cont.)

15

(cont.)

16

17

NOTES

NOTES

© Charles River Laboratories, 2010