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Semi-quantitative immunohistochemical staining for MDR1 stratified by tumor type
| MDR1 staining | ||||
|---|---|---|---|---|
| Tumor type | 0 | 1+ | 2+ | 3+ |
| Clear cell RCC | 1 (4%) | 7 (27%) | 8 (31%) | 10 (38%) |
| Papillary RCC | 0 (0%) | 0 (0%) | 4 (50%) | 4 (50%) |
| Clear cell papillary RCC | 0 (0%) | 1 (50%) | 0 (0%) | 1 (50%) |
| Chromophobe RCC | 3 (75%) | 1 (25%) | 0 (0%) | 0 (0%) |
| Oncocytoma | 1 (17%) | 4 (67%) | 0 (0%) | 1 (17%) |
| HOCT | 1 (50%) | 1 (50%) | 0 (0%) | 0 (0%) |
