Fig. 4From: Soluble PD-L1: a potential dynamic predictive biomarker for immunotherapy in patients with proficient mismatch repair colorectal cancerDynamic change of soluble PD-L1 level after chemotherapy or targeted therapy. a No significant change was observed after systemic therapies. b sPD-L1 level showed no difference grouped by different response to chemotherapy or targeted therapy. Dynamic change of sPD-L1 level from cycle 1 (C1) to cycle 4 (C4) showed no significant change in different response subgroups c and targeted drug subgroups dBack to article page