Reck Reck M M Rodríguez-Abreu Rodríguez-Abreu D D Robinson Robinson AG AG Pembrolizumab versus chemotherapy for PD-L1-positive non-small-cell lung cancer Pembrolizumab versus chemotherapy for PD-L1-positive non-small-cell lung cancer N Engl J Med N Engl J Med 2016 2016 375 375 19 19 1823 1823 1833 1833 10.1056/NEJMoa1606774 10.1056/NEJMoa1606774 27718847 27718847. This evidence concerns the gene CD274 and non-small cell lung carcinoma.