title: Fistula-in-Ano: discussion.
mesh_terms: D000038:Abscess / Q000601:surgery; D000208:Acute Disease; D003424:Crohn Disease / Q000150:complications; D006801:Humans; D010502:Perineum / Q000601:surgery; D011349:Proctitis / Q000601:surgery; D012003:Rectal Fistula / Q000601:surgery*