fig4

Figure 4. A case of classical HCC-CCA. This case shows an adenocarcinoma component (20x, A), a solid hepatocellular carcinoma part ( 20x, C), and an area of transition (20x, B) made of smaller cells which are partially positive for CK7 (40x, 1), glypican 3 (40x, 2), alpha-fetoprotein (40x, 3) and arginase 1 (40x, 4).