Fig. 3From: Efficacy and safety of anti-PD-1 inhibitor versus anti-PD-L1 inhibitor in first-line treatment of extensive-stage small cell lung cancer: a multicenter retrospective studyPredictors of PFS and OS in whole patients. A: Patients without liver metastases had longer PFS; B: Patients received locoregional thoracic radiotherapy had longer PFS; C: Patients with normal LDH had longer OS; D: Patients received locoregional thoracic radiotherapy had longer OSBack to article page