CD274 and non-small cell lung carcinoma: In this case, further correlative studies are necessary to investigate the prognostic outcomes of PD-1/PD-L1 suppressors in combination with chemotherapeutic drugs in NSCLC.<h4>Methods</h4>The online public databases were searchable for the clinical trials that consisted of NSCLC patients who had concluded their chemotherapy and who had accepted PD-1/PD-L1 suppressors.