title: Gallbladder perforation into the lesser sac.
mesh_terms: D000038:Abscess / Q000150:complications* / Q000601:surgery; D000368:Aged; D004322:Drainage; D005705:Gallbladder Diseases / Q000150:complications* / Q000601:surgery; D006801:Humans; D008297:Male; D013272:Stomach Diseases / Q000209:etiology*