CD274 and non-small cell lung carcinoma: In both the training and validation groups, the AUC values of the clinical model used to predict the different expression statuses of PD-L1 in NSCLC patients were 0.638 (95% CI 0.572–0.705) and 0.640 (95% CI 0.547–0.733), respectively, and the AUC values of the radiomics model were 0.706 (95% CI 0.640–0.772) and 0.761 (95% CI 0.664–0.860), respectively.