Fig. 2

Histopathology staining of the core needle liver biopsy specimen. a H&E low-magnification view (× 40) and high-magnification view (× 400) in black frame showing sinusoids lined by atypical endothelial cells with marked nuclear pleomorphism, and vascular channels. b-f Immunohistochemistry low-magnification view (× 40–100) and high-magnification view (× 200–400) in black frame showing the cells were positive for Ki-67, CD31, CD34, FVIII and VEGF respectively. g-i Immunohistochemistry magnification view (× 100–200) showing the cells were negative for VEGFR3, PD-1 and PD-L1 respectively. H&E, hematoxylin and eosin