title: Carcinoma arising in anorectal fistulas of Crohn's disease.
authors.forename: M N
authors.initials: MN
authors.lastname: Kulaylat
authors.forename: G
authors.initials: G
authors.lastname: Gallina
authors.forename: J
authors.initials: J
authors.lastname: Bem
authors.forename: M
authors.initials: M
authors.lastname: Zeid
mesh_terms: D001005:Anus Neoplasms / Q000209:etiology*; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D003424:Crohn Disease / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010502:Perineum; D012003:Rectal Fistula / Q000209:etiology*; D012004:Rectal Neoplasms / Q000209:etiology*