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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 84E Metastasis (Case 84) breast primary Mammaglobin 1.jpg
The tumor cells show strong widespread positivity for mammaglobin. ---- Not shown: A small subset of the tumor cells are positive for epithelial membrane antigen (EMA). The tumor is negative for cytokeratin 20 (CK20) and progesterone receptor (PR).
