CCL2 and female reproductive organ cancer: Indeed, ORs of dominant GG vs AG + AA model and heterozygous AA vs GG model were 1.55 (95%CI = 1.07–2.24, P < 0.05) and 0.59 (95%CI = 0.38–0.92, P < 0.05) respectively, indicating a significant association between CCL2-2518A/G and gynecological cancer risk (Fig. 2a, b; Table 3).