Table 4.
Pathology | |
Benign | 9 (13) |
Oncocytoma | 7 (10) |
Angiomyolipoma | 2 (3) |
Malignant | 57 (84) |
Histologic subtype | |
Clear cell | 39 (68) |
Papillary | 15 (26) |
Chromophobe | 2 (4) |
Collecting duct | 1 (2) |
Stage | |
T1a | 36 (86) |
T1b | 3 (7) |
T2 | 1 (2) |
T3a | 1 (2) |
T3b | 1 (2) |
Nuclear grade | |
1 | 19 (36) |
2 | 21 (40) |
3 | 11 (21) |
4 | 2 (4) |
Unavailable | 2 (3) |