CYP2A6 and neoplasm: Expression of AFP in the tumor compartment was not statistically significant with longer RFS (log rank P = 0.2) whereas the expressions of C8A, MBL2, SERPINC1, HSD11B1, ADH6, UPB1 and CYP2A6 were statistically significantly with longer RFS (log rank P = 0.03) as shown in Fig 6.