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Postoperative Radiotherapy is Associated with Better Survival in Non–Small Cell Lung Cancer with Involved N2 Lymph Nodes: Results of an Analysis of the National Cancer Data Base
Indications for postoperative radiation therapy (PORT) for resected lung cancer are unclear. This study evaluated outcomes from the National Cancer Data Base 2004-2006, including 2115 patients resected with pathologic N2 NSCLC, of whom 918 (43%) received PORT. PORT was associated with better median survival (42 vs 38 mos, p=0.048) and was associated with improved survival on multivariable analysis.