Stereotactic body radiotherapy plus lenvatinib and sintilimab with and without transarterial embolization for advanced hepatocellular carcinoma with portal vein tumor thrombus: a dual-center, propensity score-matched retrospective analysis
IntroductionPortal vein tumor thrombus (PVTT) in hepatocellular carcinoma (HCC) is associated with poor prognosis and limited efficacy of current first-line therapies. Combining locoregional and systemic therapies may enhance antitumor immunity. Howeve…