Fig. 1

Flowchart illustrates patients’ selection. GXMUCH, Guangxi Medical University Cancer Hospital; WZRCH, Wuzhou Red Cross Hospital; XTCH, Xiangtan Central Hospital
Flowchart illustrates patients’ selection. GXMUCH, Guangxi Medical University Cancer Hospital; WZRCH, Wuzhou Red Cross Hospital; XTCH, Xiangtan Central Hospital