CD34 and hepatocellular carcinoma: Specific staining of capillary-like vessels by anti-CD34 was observed in HCC (mean MVD-CD34 of 0.116±0.106; median, 0.0877; range, 0.00102 to 0.545) and PC (mean MVD, 0.0217±0.0212; median, 0.0112; range, 0.00103 to 0.0928) (Fig. S1B and 1D in File S1).