[Early gastric cancer].
D001799:Blood Sedimentation; D004381:Duodenal Ulcer / Q000175:diagnosis; D004906:Erythrocyte Count; D006801:Humans; D007564:Japan; D008403:Mass Screening; D009098:Multiphasic Screening; D011127:Polyps / Q000175:diagnosis; D013272:Stomach Diseases / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000601:surgery; D013276:Stomach Ulcer / Q000175:diagnosis