ADH1B and lip and oral cavity carcinoma: These GWAS identified at least nine genetic susceptibility regions for oral cancers, including 2p23.3 (GPN1), 4q21 (HEL308 and FAM175A), 4q23 (ADH1B, ADH1C, ADH7), 5p15.33 (CLPTM1L), 6p21 (HLA), 6p22.1 (ZNRD1-AS1), 9p21.3 (CDKN2A–CDKN2B), 9q34.12 (LAMC3), and 12q24 (ALDH2).