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Washington University Experience | NEOPLASMS (METASTASES) | Melanoma | 6N2 Metastasis, melanoma (Case 6N) HMB-45 2.jpg
Images of HMB45 (6N2), Melan A (6N3) and S100 (6N4) stained tumor. Notice the appearance of pigment containing non-neoplastic cells compared to tumor cells.