All patients had a pathologically confirmed locally advanced NSCLC according to the 8th AJCC staging system would receive platinum-based doublet chemotherapy and immunotherapy, followed by carbon iron radiotherapy and immunotherapy. The concrete immune checkpoint inhibitor includes durvalumab, sugemalimab, atezolizumab, benmelstobart, pembrolizumab, camrelizumab, toripalimab, tislelizumab, sintilimab, nivolumab, serplulimab, or penpulimab.