[Differential diagnosis of cancer and cardiospasm--with special reference to x-ray examination of the cardia].
D000328:Adult; D002299:Cardia / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*