title: [Malignant transformation of chronic stomach ulcer].
mesh_terms: D000368:Aged; D002908:Chronic Disease; D006801:Humans; D008297:Male; D008875:Middle Aged; D011230:Precancerous Conditions / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging / Q000209:etiology*; D013276:Stomach Ulcer / Q000150:complications* / Q000000981:diagnostic imaging
vernacular_title: Ob ozlokachestvlenii khronicheskoĭ iazvy zheludka.