1 Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou, 225000, Jiangsu Province, China; Dalian Medical University, Dalian, 116044, Liaoning Province, China.
2 Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou, 225000, Jiangsu Province, China.
3 Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou, 225000, Jiangsu Province, China. Electronic address: 003762@yzu.edu.cn.