[Acquired megacolon caused by congenital anorectal malformations].
D001003:Anal Canal / Q000002:abnormalities*; D006801:Humans; D008531:Megacolon / Q000209:etiology*; D012007:Rectum / Q000002:abnormalities*
Megacolon adquirido por malformaciones congénitas anorrectales.