帕博利珠单抗联合化疗在PD-L1阴性晚期非小细胞肺癌中的汇总分析

Pooled Analysis of Pembrolizumab Plus Chemotherapy in Advanced Non-Small Cell Lung Cancer Patients Without Tumor PD-L1 Expression

1 文献来源Borghaei H,Langer CJ,Paz-Ares L,et al.Pembrolizumab plus chemotherapy versus chemotherapy alone in patients with advanced non-small cell lung cancer without tumor PD-L1 expression:A pooled analysis of 3 randomized controlled trials [J].Cancer,2020,126(22):4867-4877.2 证据水平1b。