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Patients with squamous cell carcinoma of the upper aerodigestive tract (UADT) have a high risk of developing second primary tumors (SPTs). Most of the studies concerning triple endoscopy (laryngoscopy, digestive tract endoscopy and bronchoscopy) describe the frequency and stage of the SPT, but not its impact on survival. This study is a matched pair analysis that included patients with squamous cell...
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