All patients had a pathologically confirmed locally advanced NSCLC according to the 8th AJCC staging system and received definitive radiotherapy, concurrently or sequentially combined with platinum-based doublet chemotherapy. The peripheral blood samples at various time points including before radiation, 4 weeks after beginning of radiation, the end of radiation, 1 month post radiation, and 1 month post consolidation immunotherapy were collected for lymphocyte subsets detection.
The subjects will be divided into two groups according to whether patients received ICIs, namely, NSCLC patients received CRT plus ICIs and NSCLC patients received CRT.
