Radiological vs endoscopic evaluation of the esophagus: searching for a second primary tumor.
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CW
Cummings
D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004945:Esophagoscopy; D004947:Esophagus / Q000000981:diagnostic imaging*; D006258:Head and Neck Neoplasms / Q000473:pathology*; D006801:Humans; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography