Evaluate Durvalumab and Tremelimumab +/- Lenvatinib in Combination With TACE in Patients With Locoregional HCC

Inclusion Criteria: * No evidence of extrahepatic disease * Disease not amenable to curative surgery or transplantation or curative ablation but disease amenable to TACE * Child Pugh score class A * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 at enrollment * Measurable disease by Modified Response Criteria in Solid Tumors (mRECIST) criteria * Adequate organ and marrow function Exclusion Criteria: * History of symptomatic congestive heart failure, unstable angina pectoris, uncontrolled cardia arrhythmia * History of hepatic encephalopathy * Major portal vein thrombosis visible on baseline imaging * Uncontrolled arterial hypertension * Co-infection with HBV and HDV