Zhang et al., using GWAS, found two SNPs, rs1316298 in the GNG2 gene and rs4589502 in the AC110048.2 gene, significantly related to the smoking status in patients with lung cancer (OR = 0.71, p = 6.73 × 10−6 and OR = 1.55, p = 3.84 × 10−6). The gene discussed is GNG2; the disease is lung cancer.