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Background The tumor–node–metastasis (TNM) staging system does not perform well for guiding individualized induction or adjuvant chemotherapy for patients with locoregionally advanced nasopharyngeal carcinoma (NPC). We attempted to externally validate the Pan’s nomogram, developed based on the 8th edition of the American Joint Committee on Cancer (AJCC)/Union for International Cancer Control (UICC)...
We have attempted to validate two published nomograms in nasopharyngeal carcinoma (NPC) and individualize induction chemotherapy (IC) accordingly.From 2007 to 2011, 920 patients were included in the study. The validity of the nomograms was assessed by Harrell’s concordance index (C-index), areas under the curve (AUC), and calibration curves. Disease-free survival (DFS) and overall survival (OS) by...
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