CD34 and hepatocellular carcinoma: The histological examination revealed a moderately differentiated hepatocellular carcinoma (G2), pT2 Nx Mx L0 V1 R0, with predominant solid architecture of the tumor, without tumoral necrosis (Fig. 5a, b) and imunohistochemistry staining was performed (Hep Par-a positive, Glypican3 positive, CD34 positive as a marker of liver sinusoidal capillarization—Fig. 6a–c).