Renal cell carcinoma: Evolving and emerging subtypes

Figure 3 Multilocular cystic clear cell renal cell carcinoma (hematoxylin and eosin). A: The tumor is composed of multiple cysts with intervening thin, fibrous septa and scattered chronic inflammatory cells (× 40); B: On higher power, the cysts are lined by a single layer of cells with clear cytoplasm (× 200); C: Low-grade nuclear features (Fuhrman nuclear grade 1) are seen and clear cells are present within the cyst wall and on the surface lining (× 400).