Department of Minimally Invasive Surgery;
Beijing Chuiyangliu Hospital;
Department of Gastrointestinal Endoscopy;
Fujian Provincial Tumor Hospital;
Teaching Hospital of Fujian Medical University;
Institute of Minimally Invasive Medicine;
Tongji University;
Natural; orifice; transluminal; endoscopic; surgery; Cholecystectomy; Water-jet; Hybrid-knife; Triangulation;