A Trial Utilizing 18F-FS PG PET to Guide Therapy in Hepatocellular Carcinoma

This trial uses a new experimental PET scan tracer called 18F-FSPG to see how well it can detect liver cancer (hepatocellular carcinoma, or HCC) and guide a targeted radiation treatment called Y90 radioembolization, where tiny radioactive beads are injected into the blood vessels feeding the tumor. **You may be eligible if...** - You are 18 or older - You have a confirmed or highly suspected diagnosis of hepatocellular carcinoma (liver cancer) - You are a candidate for Y90 radioembolization treatment - You have already completed standard imaging and staging **You may NOT be eligible if...** - Your liver cancer was previously treated and has not yet progressed again - You are pregnant or planning to become pregnant - You are unable to lie still during the scan - You have other serious medical conditions that make participation unsafe Talk to your doctor to see if this trial is right for you.