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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 39C Metastasis, renal cell CA (Case 39) RCC
Immunostains show the tumor cells are focally positive for RCC. The morphology, immunophenotype and prior history of renal cell carcinoma (Fuhrman nuclear grade 3-4/4) are consistent with metastatic renal cell carcinoma.