GPT and hepatitis A virus infection: To demonstrate this, an investigation was performed to evaluate the relationship between the calculated infiltrated portal boundary ratio and the patients’ different factors including age, sex, HBV, HCV, AST, ALT, as well as Ishak periportal interface hepatitis grading and total Ishak necroinflammatory score assigned to the WSI by consensus of two experienced pathologists (HWT and CWH).