title: Checkpoint inhibitor shows promise in smokers.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D060890:B7-H1 Antigen / Q000037:antagonists & inhibitors*; D002289:Carcinoma, Non-Small-Cell Lung / Q000188:drug therapy*; D017321:Clinical Trials, Phase I as Topic; D006801:Humans; D008175:Lung Neoplasms / Q000188:drug therapy*; D012907:Smoking
chemical_list: D000970:Antineoplastic Agents; D060890:B7-H1 Antigen; C423236:CD274 protein, human