CD274 and non-small cell lung carcinoma: Current ongoing clinical trials of combination mDC vaccine and PD-1/PD-L1 inhibitors include pembrolizumab in NSCLC (NCT03546361), pembrolizumab in solid tumors (NCT03735290), and Pembrolizumab in plasmacytoid dendritic cells (PDC) derived from NY-ESO-1 antigens (NCT03970746).