title: Diagnosis of esophago-gastric tumors.
authors.affiliation: Division of Gastroenterology, Columbia University College of Physicians and Surgeons, New York.
authors.forename: C J
authors.initials: CJ
authors.lastname: Lightdale
mesh_terms: D016145:Endoscopy, Digestive System; D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D006801:Humans; D012307:Risk Factors; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000453:epidemiology