CTLA4 and hepatocellular carcinoma: Results of haplotype analysis suggested that CTLA4 Crs16840252Ars231775Ars3087243Trs733618, Crs16840252Grs231775Ars3087243Trs733618, and other haplotypes significantly increased the risk of HCC (P = .018, <.001, and .017, respectively, Table 5).