Ashton et al. investigated the influence of the TLR9 rs5743836 and rs187084 SNPs haplotype on cancer risk and reported a protective effect of the TLR9 SNPs haplotype for endometrial cancer risk (OR = 0.11, 95% CI: [0.03–0.44]; p = 0.002) [40]. Here, TLR9 is linked to endometrial cancer.