[Early recognition of gastric cancer].
D000126:Achlorhydria / Q000601:surgery; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000601:surgery; D011230:Precancerous Conditions / Q000175:diagnosis*; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D013276:Stomach Ulcer / Q000601:surgery
O rannem vyiavlenii raka zheludka.