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Pathologic characteristics of 659 RCC tumors < 7cm in size stratified by stage (pT1 vs. pT3a)
| Pathologic Variable | pT1 (n=573) No. (%) |
PT3a (n=86) No. (%) |
P value |
|---|---|---|---|
| Histologic Subtype Clear Cell Papillary Chromophobe |
424 (74) 114 (20) 32 (6) |
63 (73) 14 (16) 6 (7) |
1.0 1.0 1.0 |
| Nuclear Grade Low High |
440 (77) 117 (20) |
46 (53) 39 (45) |
<0.001 |
| Necrosis | 138 (24) | 33 (38) | 0.005 |
| LVI | 19 (3) | 19 (22) | <0.001 |
| Sarcomatoid features | 4 (1) | 10 (12) | <0.001 |
