title: Acalculous cholecystitis.
mesh_terms: D000328:Adult; D000368:Aged; D002758:Cholangiography; D002763:Cholecystectomy; D002764:Cholecystitis / Q000000981:diagnostic imaging / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D002769:Cholelithiasis / Q000601:surgery; D003135:Common Bile Duct / Q000473:pathology; D005260:Female; D042882:Gallstones / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications