Figure 2.

Partial right upper pole nephrectomy. A, Conventional clear cell type renal carcinoma of Fuhrman nuclear grade III, without sarcomatoid features (HE;×100 original magnification). B, Epithelioid cell granulomas with Langhans-type giant cells (Sarcoid-like reaction) in the peritumoral fibrous pseudocapsule (×40 original magnification). C, Sarcoid-like reaction with some peritumoral inflammatory reaction, without any contact with tumor cells (×100 original magnification). D, Renal cell carcinoma with sarcoid-like reaction (×200 original magnification)