Table 2.
Tumor profile induced by PTA-250YS/315YF
| Tumors | No. of mice |
|---|---|
| Fraction of mice with tumor(s) (%) | 15/19 (79) |
| Mean age at necropsy in days | 238 |
| Epithelial tumors | |
| Thymus | 1 (5) |
| Skin: Hair follicle | 0 (0) |
| Papilloma | 0 (0) |
| Mammary gland | 1 (5) |
| Salivary gland | 0 (0) |
| Adrenal medula | 0 (0) |
| Mesenchymal tumors | |
| Kidney | 0 (0) |
| Bone | 3 (16) |
| Subcutaneous connective tissue | 14 (74) |
| Vascular endothelium | 1 (5) |
Numbers indicate the number of mice (% in parentheses) with at least one tumor of the designated type. Both gross and microscopic tumors are reported.