CD274 and neoplasm: At the four time points, AUCs for the risk score were 0.850, 0.838, 0.911, and 0.844, exceeding those of age (0.416-0.511), sex (0.360-0.660), tumor differentiation grade (0.569-0.613), and PD-L1 CPS (0.425-0.722) (Figures 5A–D).