Hirschsprung's disease.
D002675:Child, Preschool; D003125:Colostomy; D004064:Digestive System / Q000503:physiopathology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008531:Megacolon / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000601:surgery; D011183:Postoperative Complications