Department of Surgery;
Westchester Medical Center;
Valhalla;
NY 10595;
United States;
Division of General Surgery;
Department of Surgery;
Vienna Medical University;
Vienna 1090;
Austria;
Department of Surgery;
New York Medical College;
Valhalla;
NY 10595;
United States;
Division of Surgical Oncology;
Nuvance Health;
Norwalk;
CT 06856;
United States;
Gallbladder cancer; Radical cholecystectomy; Cholangiocarcinoma; Epide�miology; Gallbladder disease;