GPT and primary biliary cholangitis: Based on the Paris criteria and clinical judgement, the patient met diagnostic thresholds for both AIH (ALT > 5x the ULN, positive ASMA, and interface hepatitis) and PBC (ALP ≥ 2x the ULN, positive AMA, and florid bile duct lesion on liver biopsy), confirming a diagnosis of AIH-PBC overlap syndrome.