AFP and cancer: Their RRs to RFS were as follows: 2.28 for serum AFP over 400 ng/L, 1.31 for major resection, 1.92 for non-anatomical resection, 3.55 for blood loss over 3000 mL, 2.27 for blood transfusion, 4.58 for macroscopic and 1.98 for microscopic vascular or bile duct invasion, and 2.41 for cancer cell dominant differentiation.