title: Unusual presentation of squamous cell carcinoma of the anal canal.
abstract: A case report of squamous cell carcinoma of the anal canal diagnosed following a repair of an obstetric-related rectovaginal fistula is presented.
authors.affiliation: Roswell Park Memorial Institute, Department of Surgical Oncology, New York 14263.
authors.forename: D S
authors.initials: DS
authors.lastname: Wade
authors.forename: L
authors.initials: L
authors.lastname: Herrera
authors.forename: N J
authors.initials: NJ
authors.lastname: Petrelli
mesh_terms: D000328:Adult; D001005:Anus Neoplasms / Q000150:complications / Q000175:diagnosis*; D002278:Carcinoma in Situ / Q000150:complications / Q000175:diagnosis*; D002294:Carcinoma, Squamous Cell / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006801:Humans; D012006:Rectovaginal Fistula / Q000150:complications / Q000601:surgery