Rectal immunohistochemical detection: CK EMA (-) (-), Vimentin (+) S - 100 (+) oven HMB 45 (+) - (+) the SOX Melan - A - 10 (+) about (-) CK56 P40 (-) (-) Ki - 67 (+ 70%), in accordance with melanoma. Here, MLANA is linked to melanoma.