State Key Laboratory of Cancer Biology National Clinical Research Center for Digestive Diseases Xijing Hospital Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
State Key Laboratory of Cancer Biology National Clinical Research Center for Digestive Diseases Xijing Hospital Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
State Key Laboratory of Cancer Biology National Clinical Research Center for Digestive Diseases Xijing Hospital Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
State Key Laboratory of Cancer Biology National Clinical Research Center for Digestive Diseases Xijing Hospital Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
State Key Laboratory of Cancer Biology National Clinical Research Center for Digestive Diseases Xijing Hospital Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
Department of Clinical Nutrition Xijing Hospital Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
Department of Radiation Protective Medicine Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
State Key Laboratory of Cancer Biology National Clinical Research Center for Digestive Diseases Xijing Hospital Air Force Military Medical University Xi''an 710032 Shaanxi Province China;
Atrophy gastritis; Intestinal metaplasia; Celecoxib; Stomach neoplasms; Operative link on the gastric intestinal metaplasia assessment; Operative link on the gastritis assessment;