CD274 and neoplasm: The median proportions of PD-L1- and PD-L1+ DCs in the tumor compartments were 2.297% (95% CI, 1.424%–3.927%) and 0.685% (95% CI, 0.425%–3.663%) at baseline (Figure 2A), and 4.579% (95% CI, 3.149%–16.728%) and 5.160% (95% CI, 3.322-8.896%) during the combination (Figure 2A), respectively.