Early gastric cancer.
D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D005260:Female; D005773:Gastroscopy; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013270:Stomach / Q000166:cytology / Q000000981:diagnostic imaging; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D014481:United States