[Gastric ulcer: precancerous lesion].
D006801:Humans; D011230:Precancerous Conditions / Q000209:etiology* / Q000473:pathology; D013274:Stomach Neoplasms / Q000209:etiology*; D013276:Stomach Ulcer / Q000150:complications* / Q000473:pathology
L'ulcera gastrica: lesione precancerosa.