the morphologic lesions included ground-glass transformation of liver cells , hepatocellular degeneration and/or necrosis ( with changes resembling those occurring in viral hepatitis or infectious mononucleosis ) , granulomatous reactions with or without associated hepatocellular injury or vasculitis , and infiltration by malignant cells of reticuloendothelial origin .
C0023884
liver
C0042721
viral hepatitis