CHICAGO, IL—Patients whose non-small cell lung cancers (NSCLC) expressed more than one per cent of the programmed death ligand-1 (PD-L1) tumor proportion score (TPS) lived longer when treated with the anti programmed death 1 (PD-1) antibody pembrolizumab than a control group of patients receiving platinum-based chemotherapy in the open-label, phase three KEYNOTE-042 study reported at […]