RecruitingDrug trialLK101 Combined With PD-1 or PD-L1 Monoclonal Antibody in the Treatment of Lung CancerThis is a open lable, single-center phase Ib/IIa study for patients with local advanced or metastastic NSCLC or ES-SCLC, who failed with previous anti-PD-1/PD-L1 therapy (cohort 1 and cohort 2) and for patients with ocal advanced or metastastic NSCLC received the first line treatment (cohort 3). The aim is to observe and evaluate the safety, tolerability and efficacy of LK101 injection combined with pembrolizumab, durvalumab or tislelizumab respectively in the incurable NSCLC and SCLC.