title: Case report: anorectal obstruction by gallstones.
mesh_terms: D000368:Aged; D001004:Anus Diseases / Q000209:etiology*; D002769:Cholelithiasis / Q000150:complications*; D004106:Dilatation; D005244:Fecal Impaction / Q000209:etiology* / Q000628:therapy; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012002:Rectal Diseases / Q000209:etiology*