HLA-DPB1 and hepatocellular carcinoma: As a result of GWAS and HLA association analysis focusing on HCC in Japanese CHB patients, HLA-DPB1*02:01, which belongs to HLA class II, and HLA-A*33:03 and HLA-A*31:01, which belongs to HLA class I, showed a significant association with HCC [10,11].