1 Gastric Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China. Electronic address: yxnyinxiaonan@163.com.
2 Gastric Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China. Electronic address: yinyuan10@wchscu.cn.
3 Gastric Cancer Center, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China. Electronic address: hxwcwk@126.com.