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Tumor Pathologic Characteristics
| Mean no. of tumors resected (range) | 6.4 (1–44) |
| Mean cm largest tumor size (range) | 5.3(4–13) |
| Fuhrman nuclear grade of the largest tumor (%) | |
| 1 | 3 (5) |
| 2 | 51 (85) |
| 3 | 6 (10) |
| Distribution of histological subtype of RCC (%) | |
| Clear cell | 44 (73.3) |
| Papillary, type1 | 7 (11.7) |
| Chromophobe | 5 (8.3) |
| Hybrid | 3 (5) |
| Oncocytic | 1 (1.7) |
| TNM Staging | |
| T1b(%) | 52 (87) |
| T2 (%) | 8 (13) |
