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(A) Clear cell renal cell carcinoma showing solid, nesting, and tubular pattern of growth with eosinophilic cytoplasm in delicate vascular network. (B) Chromophobe renal cell carcinoma composed of large vegetable-like polygonal cells with eosinophilic cytoplasm, irregular nuclei, perinuclear clear halo, and prominent cell membrane. (C) Renal oncocytomas composed of oncocytes that are arranged in nests or alveoli separated by loose fibrous stroma (hematoxylin and eosin, 400×).
