title: Anorectal melanoma: An atypical cause of rectorrhagia.
authors.affiliation: Digestive Department, Complejo Hospitalario de Navarra, Pamplona, Spain. Electronic address: crisaldu@hotmail.com.
authors.forename: Cristina
authors.initials: C
authors.lastname: Saldaña Dueñas
authors.affiliation: Digestive Department, Complejo Hospitalario de Navarra, Pamplona, Spain.
authors.forename: Silvia
authors.initials: S
authors.lastname: Goñi Esarte
authors.affiliation: Digestive Department, Complejo Hospitalario de Navarra, Pamplona, Spain.
authors.forename: Jose Francisco
authors.initials: JF
authors.lastname: Juanmartiñena Fernández
authors.affiliation: Department of Pathology, Complejo Hospitalario de Navarra, Pamplona, Spain.
authors.forename: Marta
authors.initials: M
authors.lastname: Montes Diaz
authors.affiliation: Digestive Department, Complejo Hospitalario de Navarra, Pamplona, Spain.
authors.forename: Rosa
authors.initials: R
authors.lastname: Iglesias Picazo
mesh_terms: D000369:Aged, 80 and over; D001005:Anus Neoplasms / Q000150:complications*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000150:complications*; D012002:Rectal Diseases / Q000209:etiology*; D012004:Rectal Neoplasms / Q000150:complications*