CXCL2 and cancer: The abundances of CXCL1, CXCL2, and CXCL5 in the lungs of C57 mice with EO771 tumor were 38.0-fold, 19.6-fold, and 10.8-fold, respectively, higher than that in the lungs of BALB/c mice with 4T1 cancer (Fig. 7e).