Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40425-019-0696-8/MediaObjects/40425_2019_696_Fig3_HTML.png)
Survival analysis of postoperative breast cancer patients who received adjuvant CIK cell treatment (CIK treatment group, n = 150) compared to those who did not have CIK cell treatment (control group, n = 160). a Overall survival (OS) curves and (b) Recurrence-free survival (RFS) curves. Significantly improved prognosis was observed in the CIK treatment group compared to the control group. The Kaplan-Meier method was used to compare the survival rates, which were analyzed with the log-rank test