Department of General Surgery, Chongqing Kaizhou District People's Hospital, Chongqing 405400, China;
Respiratory Medicine, Chongqing Kaizhou District People's Hospital, Chongqing 405400, China;
Department of General Surgery, Chongqing Kaizhou District People's Hospital, Chongqing 405400, China;
Department of General Surgery, Chongqing Kaizhou District People's Hospital, Chongqing 405400, China;