title: [Several x-ray diagnostic problems in superficial depressed type early gastric cancer (author's transl)].
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*