GPT and hepatocellular carcinoma: ALP: alkaline phosphatase; ALT: alanine aminotransferase; AST: aspartate aminotransferase; BMI: body mass index; BUN: blood urea nitrogen; γ-GTP: gamma-glutamyl transpeptidase; HCC: hepatocellular carcinoma; LSM: liver stiffness measurements; NH3: ammonia; PDFF: proton density fat fraction; PSMI: paraspinal muscle index; SFA: subcutaneous fat area