Balloon cell melanoma.
D001706:Biopsy; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008545:Melanoma / Q000473:pathology*; D008875:Middle Aged; D012782:Shoulder; D012878:Skin Neoplasms / Q000473:pathology*; D013194:Staining and Labeling