Department of Internal Medicine,University of Medicine and Pharmacy at Hochiminh City,Ho Chi Minh 70000,Vietnam;
Health Service Center,Hiroshima University,Higashihiroshima 739-8514,Japan;
Division of Gastroenterology and Hepatology,Department of Medicine,Nihon University School of Medicine,Tokyo 101-8309,Japan;
Gastric; cancer; Precancerous; gastric; lesions; Dysplasia; Gastric; atrophy; Chronic; atrophic; gastritis; Intestinal; metaplasia; Surveillance; Screening; Costeffective;