Department of General Surgery,Second Affiliated Hospital of Harbin Medical University,Harbin,Heilongjiang 150086,China;
Department of General Surgery,Second Affiliated Hospital of Harbin Medical University,Harbin,Heilongjiang 150086,China;
Department of General Surgery,Second Affiliated Hospital of Harbin Medical University,Harbin,Heilongjiang 150086,China;
Department of General Surgery,Second Affiliated Hospital of Harbin Medical University,Harbin,Heilongjiang 150086,China;
Department of General Surgery,Second Affiliated Hospital of Harbin Medical University,Harbin,Heilongjiang 150086,China;