Inclusion Criteria:  Patients with either an imaging diagnosis of HCC by CT or magnetic resonance imaging (MRI) (Liver Imaging and Reporting Data System 5 [LI-RADS 5]) confirmed by a board-certified abdominal radiologist, or with biopsy-proven HCC Already enrolled in ongoing Transform the Practice or Department of Defense 68Ga-PSMA studies PSMA avid HCC detected by 68Ga-PSMA PET/CT after intravenous administration of 68Ga-PSMA confirmed by a board certified nuclear radiologist Undergoing planned hepatic artery embolization (HAE) per standard clinical care Male or female with age greater than 18 years, with the capacity and willingness to provide a written informed consent  Exclusion Criteria:  Subjects requiring emergent surgery for a ruptured/bleeding HCC Pregnant and/or breast-feeding subjects. A negative pregnancy test within 48 hours of the PET scan Subjects with higher than the weight/size limitations of PET/CT scanner