Table 4

TLPNRLPNP

No. pts6687
Malignant tumor (%)73700.45
 RCC4643
 Papillary2723
 Chromophobe03
 Other01
Fuhrman grade (%)
 115130.87
 267640.78
 318230.67
Benign tumor (%)27300.77
 Angiomyolipoma1417
 Oncocytoma89
 Other54
Positive margins (%)530.45