The authors highlight the case of a 71-year-old man with metastatic HCC with sorafenib-related fatal liver dysfunction (T-Bil 28.6 mg/dL, AST 1611 IU/L, ALT 1098 IU/L) 2 months later even without either intrahepatic viable HCC or hepatitis B virus (HBV) reactivation. The gene discussed is GPT; the disease is Decreased liver function.