CXCL1 and neoplasm: Specifically, a smaller tumor size was correlated with increases in CD45+CD11b+ cells present in the tumors (r = −0.956; p = 0.04), in serum MPO (r = −0.969; p = 0.03), in serum IL-5 (r = −0.948; p = 0.051), and in serum CXCL1 (r = −0.938; p = 0.06) concentrations.