From: Tumor grade of clear cell renal cell carcinoma assessed by contrast-enhanced computed tomography
 | Fuhrman grade | Total | |||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | Â | |
Cystic* | 3 (13.6%) | 16 (72.7%) | 3 (13.6%) | 0 (0%) | 22 |
Well-circumscribed | 6 (5.0%) | 72 (60.5%) | 38 (31.9%) | 3 (2.5%) | 119 |
Lobulated†| 0 (0%) | 14 (46.7%) | 12 (40.0%) | 4 (13.3%) | 30 |
Infiltrative‡ | 0 (0%) | 5 (11.6%) | 19 (44.2%) | 19 (44.2%) | 43 |