Institution: | Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China;Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China;Department of Pathology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China;Sanya People''s Hospital/ West China (Sanya) Hospital, Sanya, 572000, Hainan, China;Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China |