The optimal timing of radiotherapy (RT) with respect to surgery remains controversial for locally advanced non-small cell lung cancer (LA NSCLC) undergoing surgery and the long-term effect of neoadjuvant RT, adjuvant RT, and chemotherapy-only on survival is unknown. | Long-term effects of neoadjuvant radiotherapy adjuvant radiotherapy and chemotherapy-only on survival of locally advanced non-small cell lung Cancer undergoing surgery A propensity-matched analysis