title: Solitary ulcer of rectum.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012002:Rectal Diseases / Q000209:etiology*; D012005:Rectal Prolapse / Q000150:complications*; D014456:Ulcer / Q000209:etiology