medicine.medical_specialty Gallbladder Diseases 03 medical and health sciences Intraoperative Period 0302 clinical medicine Text mining Cholelithiasis Medicine Humans Ultrasonography Aged, 80 and over Incidental Findings business.industry Gallbladder General Medicine Left-sided gallbladder Treatment Outcome Cholecystectomy, Laparoscopic 030220 oncology & carcinogenesis 030211 gastroenterology & hepatology Surgery Female Radiology Anomaly (physics) business Cholangiography