CYP4B1 and breast cancer: Tumor stage (Table 6): CYP4B1 rs3766197 was associated with the higher risk of advanced stages (III/IV stage) of BC under the heterozygote (OR = 1.57, 95% CI 1.04–2.38, p = 0.035) and over-dominant (OR = 1.61, 95% CI 1.05–2.46, p = 0.031) models.