[Mass examination of the stomach].
D000328:Adult; D000368:Aged; D005260:Female; D005773:Gastroscopy; D006801:Humans; D007564:Japan; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging*; D013274:Stomach Neoplasms / Q000453:epidemiology