Other factors, such as the clinical N stage, clinical M stage, hepatitis, pre-SBRT treatment, radiotherapy dose, types of PVTT, combined sorafenib treatment, additional treatment after SBRT, tumour maximum diameter, platelet (PLT) count, total bilirubin (TBIL) levels, alanine aminotransferase (ALT) levels, and aspartate aminotransferase (AST) levels, had no statistical significance on the OS rate. Here, GPT is linked to hepatitis A virus infection.