For the combined genes TAS2R38 and CA6, the genotype AVI/AVI+G* (non-tasters), relative to the reference group of PAV/*+A/A (tasters) showed a statistically significant association with breast cancer status (OR = 1.77;95% CI 1.47–2.74; p = 0.010). This evidence concerns the gene CA6 and breast carcinoma.