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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 90B Metastasis, breast (Case 90) Her2
90B Immunohistochemistry demonstrates that the tumor is strongly positive for HER-2 (shown), CK7, focally weak positive for mammaglobin, but negative for TTF-1, and CK20. This immunoprofile is consistent with the patient's known breast carcinoma.
