Anti–PD-1 antibody (approved in 2014) and PD-L1 blockades, atezolizumab in urothelial carcinoma and NSCLC, durvalumab in urothelial carcinoma, and avelumab in Merkel cell carcinoma and urothelial carcinoma, were recently approved by the US Food and Drug Administration. The gene discussed is PDCD1; the disease is urothelial carcinoma.