fig1

Figure 1. CK8/18 expression in hepatocellular carcinoma (a; case 1, c; case 2, e; control) and background liver (b; case1, d; case 2, f; control), demonstrated with mouse monoclonal antibodies B22.1/B23.1 (Cell Marque, USA) and visualized using the Envision method (Dako) (a-f, ×400). Control (a 79-year-old male, moderately differentiated adenocarcinoma in background of nearly normal liver)