RecruitingPhase 1Drug trialSIRT With Tremelimumab and Durvalumab for Resectable HCCThe goal of this research study is to evaluate the safety and tolerability of tremelimumab and durvalumab with or without Selective Internal Yttrium-90 Radioembolization (SIRT) in participants with resectable hepatocellular carcinoma (HCC) who will undergo liver surgery. The names of the interventions involved in this study are: * Durvalumab (a type of immunotherapy) * Tremelimumab (a type of immunotherapy) * Selective Internal Yttrium-90 Radioembolization (SIRT) (a type of radiation microsphere bead)