Why use gastric cytology?
D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D005751:Gastric Lavage; D005773:Gastroscopy; D006801:Humans; D011379:Prognosis; D011446:Prospective Studies; D011859:Radiography; D012189:Retrospective Studies; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D013997:Time Factors