FTO and breast cancer: Compared to non-diabetic women, diabetic women had an increased risk of breast cancer among the women with the GG genotype of FTO rs3751812 [OR (95%CI): 2.05 (1.26, 3.34)] but not among those with GT/TT genotypes [0.90 (0.38, 2.12)], but the interaction was not significant (P > 0.05) (Table 3).