SERPINB4 and hepatocellular carcinoma: The values of serpinB4-IgM obtained with SCC103 antibody, which recognises the serpin-protease complex, were slightly lower in patients with HCC, compared to patients with cirrhosis (median values: 0.140 (IQR 0.140–0.278) vs 0.168 (IQR 0.140–0.427 p = 0.177).