title: [Primary anorectal melanoma with duodenal metastases].
mesh_terms: D001005:Anus Neoplasms / Q000648:ultrastructure; D004379:Duodenal Neoplasms / Q000556:secondary*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000556:secondary / Q000648:ultrastructure; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000648:ultrastructure
vernacular_title: Melanoma primario anorrectal con metástasis en duodeno.