1 Department of General Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China; Biotherapy Center, Sun Yat-sen University Cancer Center, Guangzhou, China.
2 Department of General Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China.
3 Department of General Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China. Electronic address: chenb1970829@163.com.