Solitary-ulcer syndrome of the rectum. Its association with occult rectal prolapse.
D006801:Humans; D012002:Rectal Diseases / Q000209:etiology* / Q000601:surgery; D012005:Rectal Prolapse / Q000150:complications* / Q000601:surgery; D014456:Ulcer / Q000209:etiology* / Q000601:surgery