CD274 and neoplasm: When stratified by PD‐L1 tumor proportion score (TPS) levels (< 1%, 1%–49%, and ≥ 50%), significant differences in mOS were observed among the three groups (p = 0.031), with the PD‐L1 ≥ 50% group exhibiting the longest mOS at 46.150 months (Figure 2).