Affiliation: | 1.Department of General Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China;2.Center of Hepatobiliary Pancreatic Disease, Xu Zhou Central Hospital, Xuzhou, China;3.Department of Oncology, Shengli Hospital of Shengli Oilfield, Dongying, China;4.Department of Gastrointestinal Surgery, Changshu No. 2 Hospital, Suzhou, China |