Fig. 2From: ALK rearrangement-associated renal cell carcinoma morphologically mimicking mucinous tubular and spindle cell carcinoma: a case reportHistological appearance. a: Low magnification (×50). The tumor showed expansive growth and formed tubular or papillary structures. b: High magnification (×200). The tumor cells had eosinophilic cytoplasm and small-round nuclei. A small amount of spindle-shaped tumor cells and prominent extracellular mucin were observedBack to article page