Affiliation: | 1. Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province China;2. Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province China;3. Department of General Surgery, Liyang People's Hospital, Liyang Branch Hospital of Jiangsu Province Hospital, Liyang, Jiangsu Province China |