As for the squamous and non-squamous NSCLC cohorts combined, 17 patients were evaluable for PD-L1 expression, and the ORR was 50.0% in patients with PD-L1 TC ≥ 1% and 71.4% in patients with PD-L1 TC < 1%. Here, CD274 is linked to non-small cell lung carcinoma.