Department of Radiology of Affiliated Hospital of Hainan Medical College;
Cancer Research Center of Hainan Medical College;
Haikou 571101;
Hainan Province;
China;
Department of Surgery of Affiliated Hospital of Hainan Medical College;
Haikou 571101;
Hainan Province;
China;
Department of Statistics of Hainan Medical College;
Haikou 571101;
Hainan Province;
China;