[Diagnostic significance of the prone mucosal study in the gastric mass survey (author's transl)].
D005753:Gastric Mucosa / Q000000981:diagnostic imaging; D006801:Humans; D007564:Japan; D008403:Mass Screening; D008722:Methods; D011187:Posture; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*; D013274:Stomach Neoplasms / Q000453:epidemiology*