Early diagnosis of gastric cancer.
D003581:Cytodiagnosis; D004739:England; D005773:Gastroscopy; D006801:Humans; D007564:Japan; D008403:Mass Screening; D011859:Radiography; D012606:Scotland; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000453:epidemiology; D014481:United States; D014852:Wales