Huazhong University of Science and Technology - Department of Gastrointestinal Surgery, Shanghai Jiao Tong University (SJTU) - Department of Gastrointestinal Surgery, Huazhong University of Science and Technology - Department of Gastrointestinal Surgery, Government of the People's Republic of China - Division of Digestive Surgery, Hubei University of Medicine - Department of Gastrointestinal Surgery, Dalian Technological University - Department of Stomach Surgery, Tianjin Medical University - Department of Gastric Cancer Center, Government of the People's Republic of China - Department of General Surgery, Chongqing Medical University, First Affiliated Hospital, Department of Gastrointestinal Surgery, Zhengzhou University - Department of Gastrointestinal Surgery, Guangxi Medical University - Department of Medical Image Center, Peking University - Department of Gastrointestinal Oncology, Zhejiang University - Department of General Surgery, Sun Yat-sen University (SYSU) - Department of Gastrointestinal Surgery, Shandong First Medical University - Department of Gastrointestinal Surgery, Fudan University - Department of Gastrointestinal Surgery, Hebei Medical University - Department of General Surgery, Peking University - Department of Gastrointestinal Surgery III, Shanghai Jiao Tong University (SJTU) - Department of Gastrointestinal Surgery and Huazhong University of Science and Technology - Department of Gastrointestinal Surgery