Affiliation: | 1. Department of Emergency, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China;2. Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China;3. Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China Department of General Surgery, Ankang People's Hospital, Ankang, China |