A total of 36 patients in the IA group (Immune checkpoint inhibitors plus angiogenesis inhibitors group)...were enrolled in the study....Subgroup analysis showed that patients in the IA group had significantly longer PFS in the subgroup with PD-L1 expression ≥50% (P = 0.017)….In the subgroup analysis, we found that the clinical benefit of this combination therapy was observed in patients with PD-L1 expression ≥50%...