[Diagnostic value of radiographic imaging of the upper cervical esophagus].
D000328:Adult; D004935:Esophageal Diseases / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography