Digestive System Department, Xiantao First People's Hospital in Hubei Province, Xiantao, Hubei Province, 433000;
Hepatobiliary Surgery Department, Xiantao First People's Hospital in Hubei Province, Xiantao, Hubei Province, 433000;
Digestive System Department, Xiantao First People's Hospital in Hubei Province, Xiantao, Hubei Province, 433000;