Homozygous for the common allele of CYP24A1 rs6068816, VDR rs10735810, and VDR rs1544410 in patient women, with their plasma 25(OH)D of ≥20 ng/mL, had a reduced NSCLC risk compared to patient women with plasma 25(OH)D <20 ng/mL (OR = 0.48, 95% CI 0.25–0.65; OR = 0.46, 95% CI 0.31–0.63; OR = 0.52, 95% CI 0.29–0.97, respectively, in Table 5). The gene discussed is VDR; the disease is non-small cell lung carcinoma.