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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 33B Metastasis, renal (Case 33) CD10 2
33B,C Immunohistochemical studies reveal tumor cells to be diffusely and strongly positive for CD10 (33B) and RCC (33C) and show patchy reactivity with EMA. The tumor is negative for CK7 and CK20.