Consecutive patients treated with PD-1 therapy in Qingdao City were included in our study. The effecy and safety of the four PD-1 agents according to clinical outcomes in real world will be studied. ORR will be studied of the four PD-1 agents（nivolumab, pembrolizumab, toripalimab, sintilimab）
Consecutive patients treated with PD-1 therapy in Qingdao City were included in our study. The effecy and safety of the four PD-1 agents according to clinical outcomes in real world will be studied.