title: [Precancerous lesions of the anus].
authors.affiliation: Service d'Anatomie Pathologique, Hôpital Beaujon, Clichy.
authors.forename: J F
authors.initials: JF
authors.lastname: Fléjou
mesh_terms: D001005:Anus Neoplasms / Q000175:diagnosis*; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003218:Condylomata Acuminata / Q000175:diagnosis; D006484:Hemorrhoids / Q000601:surgery; D006801:Humans; D011230:Precancerous Conditions / Q000175:diagnosis*; D012307:Risk Factors