CD274 and breast cancer: Diagnostic modeling with PD-L1, EpCAM, and EGFR showed that the AUC was 0.978, sensitivity was 90.0%, specificity was 97.4%, and accuracy was 94.2% for breast cancer, AUC was 0.977, sensitivity was 96.7%, specificity was 100%, and accuracy was 98.6% for colorectal cancer, and AUC was 0.936, sensitivity was 80.0%, and accuracy was 98.6% for lung cancer [24].