Sun Yat-sen University Cancer Center;
State Key Laboratory of Oncology in South China;
Collaborative Innovation Center for Cancer Medicine;
Guangzhou 510060;
China;
Department of Gastric Surgery;
Sun Yat-sen University Cancer Center;
Guangzhou 510060;
China;
Department ofGeneral Surgery;
Union Hospital Tongji Medical College Huazhong University of Science and Technology;
Wuhan 430022;
China;
Department of General Surgery;
Guangdong General Hospital;
Guangzhou 510080;
China;
Department of General Surgery;
Southern Medical University Nanfang Hospital;
Guangzhou 510060;
China;