CCL2 and lobular neoplasia: Then the subgroup analysis showed MCP-1 -2518 A/G gene has a certain correlation with LN susceptibility in the American population (GG vs AA: P < .01, OR = 5.70, 95% CI: 2.09–15.50, GG vs AG+AA: P < .01, OR = 3.31, 95% CI: 1.97–5.54, GG+AG vs AA: P < .01, OR = 2.86, 95% CI: 1.14–7.18, and A vs G: P < .01, OR = 0.43, 95% CI: 0.24–0.79), while no significant risk in Europeans and Asians.