PD-L1-negative NSCLCPD-L1-positive non-small-cell lung cancerNSCLCLung cancernon-small-cell lung cancerPD-L1-positive advanced non-small-cell lung canceradvanced non-small cell lung canceradvanced nonsquamous non-small-cell lung cancerstage IV or recurrent non-small-cell lung cancernivolumab
…bjective response rate (ORR).Results Twenty-seven patients with PD-L1-negative NSCLC treated with chemoimmunotherapy were included. At a median foll…