Fig. 7From: PD-L1 expression is a predictive biomarker for CIK cell-based immunotherapy in postoperative patients with breast cancerKaplan-Meier curves of OS and RFS for breast cancer patients based on the expression of PD-L1 on tumor cells. a Survival differences between patients who received CIK treatment and patients who did not have CIK treatment in the PD-L1-positive cohort; (b) OS and RFS curves of patients who received CIK treatment and patients who did not have CIK treatment in the PD-L1-negative cohortBack to article page