GPT and cholestasis: The main features of hepatocellular liver injury include hepatocyte necrosis and infiltration of intrahepatic lymphocytes and eosinophils, often accompanied by mild cholestasis, inflammatory reaction, significant elevation of serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels, and moderate elevation of gamma-glutamyl transpeptidase (GGT) and alkaline phosphatase (ALP) levels (Larrey, 2000).