Esophagography and esophagoscopy.
Toohill
R J
RJ
Grossman
T W
TW
D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004945:Esophagoscopy; D004947:Esophagus / Q000000981:diagnostic imaging*; D006258:Head and Neck Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography