HLA-DRB1 and carcinoma: Furthermore, when we limited our analysis to cases with information related to the diagnosis of carcinoma (i.e., HCC), we detected an even more substantial increase in the ORs (Table 3; e.g., the OR of a DRB1*15:02 allele for HBV-related HCC = 2.43, P = 1.7 × 10–5).