Xin Yu1, Bin Yu2, Weidan Fang1, Jianping Xiong3, Mei Ma3. 1. Department of Oncology, The First Afliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China. 2. Department of General Surgery, The First Afliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China. 3. Department of Oncology, The First Afliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China. xiong_jp_ncu@126.com.