title: [Malignant melanoma of the anus. Report of a case and review of the literature].
mesh_terms: D000368:Aged; D001003:Anal Canal / Q000473:pathology; D001005:Anus Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology*; D009361:Neoplasm Invasiveness; D009362:Neoplasm Metastasis
vernacular_title: Melanoma maligno del ano. Informe de un caso y revisión de la literatura.