Affiliation: | 1.Department of Gastrointestinal Surgery, Zhongshan Hospital of Xiamen University, Xiamen, Fujian 361004, China;2.Institute of Gastrointestinal Oncology, Medical college of Xiamen University, Xiamen, Fujian 361004, China;3.Xiamen Municipal Key Laboratory of Gastrointestinal Oncology, Xiamen 361004, Fujian, China |