[Stomach ulcer as precancer].
D000328:Adult; D002908:Chronic Disease; D005260:Female; D005773:Gastroscopy; D006801:Humans; D008875:Middle Aged; D011230:Precancerous Conditions / Q000175:diagnosis*; D013274:Stomach Neoplasms / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000175:diagnosis*
Iazva zheludka kak predrak.