When cytokines affect the growth and function of immunocompetent cells, they can activate or modulate the anti-tumor response and act to promote or inhibit tumor growth (2).The serum levels of IL-6, IL-8 and Il-10 may be used as potential markers to predict the metastasis and prognosis of breast cancer in a Chinese population study (3). Here, CXCL8 is linked to breast cancer.