CCL8 and breast cancer: Survival data from Kaplan–Meier plotter demonstrated that BC patients with high CCL8/18 mRNA levels and low CCL1/3/4/5/11/13/15/16/19/21/22/25/27 mRNA levels were significantly associated with worse RFS (Figure 3, Table 1; all P<0.05, except for CCL5 P=0.058).