[1]CT Room;
Yulin No.2Hospital in Shaanxi Province;
Yulin City;
Shaanxi Province;
719000;
China;
[2]Department of Gastroenterology;
the Affiliated Hospital of Yan''an University in Shaanxi Province;
Yan''an City;
Shaanxi Province;
716000;
China;
Pancreatic cancer; Contrast-enhanced CT; Proliferation gene; Invasion gene;