[New methods of x-ray diagnosis based on characteristics of esophageal infiltration in cancer of the lower esophagus and cardia].
D002299:Cardia / Q000000981:diagnostic imaging*; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging*; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D011859:Radiography