Table 1 Tumor incidence in Ws/Ws and wild type rats. Fisher 344 rats were used as a positive control.
From: Lack of c-kit receptor promotes mammary tumors in N-nitrosomethylurea-treated Ws/Ws rats
Rat # | Tumors removed | Latency (weeks) | Microscopic neoplastic lesions |
|---|---|---|---|
Ws/Ws | Â | Â | Â |
1 | YES | 19 | YES |
2 | YES | 19 | YES |
3 | NO | - | NO |
4 | YES | 12 | YES |
5 | YES | 11 | YES |
Wild type | Â | Â | Â |
1 | NO | - | NO |
2 | NO | - | NO |
3 | NO | - | NO |
4 | NO | - | NO |
5 | NO | - | NO |
6 | NO | - | NO |
F344 | Â | Â | Â |
1 | YES | 10 | YES |
2 | NO | - | YES |
3 | NO | 10 | YES |
4 | YES | 10 | YES |