Fig. 2

Serum levels of cytokines and chemokines measured in serum from healthy donors and breast cancer patients. Cytokines and chemokines were measured in the sera by multi-analyte immunoassay in following groups: persons without cancer (C), breast cancer patients with primary cancer (PC), breast cancer patients with visceral (VM), bone (BM) and cerebral metastases (CM). Data are presented as mean ± SEM. *p < 0.05, **p < 0.01, ***p < 0.001