title: [Basaloid carcinoma on a perianal fistula].
authors.forename: Francisco Javier
authors.initials: FJ
authors.lastname: Torres Gómez
authors.forename: Pilar
authors.initials: P
authors.lastname: Fernández Machín
authors.forename: Juan
authors.initials: J
authors.lastname: Pastor Roldán Aviña
authors.forename: Amelia
authors.initials: A
authors.lastname: Torres Gómez
mesh_terms: D001005:Anus Neoplasms / Q000150:complications*; D002294:Carcinoma, Squamous Cell / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012003:Rectal Fistula / Q000150:complications*