title: Primary anorectal melanoma.
authors.forename: Ansley S
authors.initials: AS
authors.lastname: Tharpe
authors.forename: Kenneth J
authors.initials: KJ
authors.lastname: Vega
authors.forename: Bruce W
authors.initials: BW
authors.lastname: Trotman
mesh_terms: D000368:Aged; D001005:Anus Neoplasms / Q000473:pathology*; D002278:Carcinoma in Situ / Q000473:pathology*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000473:pathology*; D012004:Rectal Neoplasms / Q000473:pathology*