A Prospective Observational Study on Efficacy of TARE for Early Stage HCC

Inclusion Criteria: * A. Patients receiving TARE using TheraSphere® B. Treatment naïve BCLC 0 or A single HCC up to 8 cm (diagnosed according to diagnostic criteria of KLCA-NCC) C. Tumor involvement \< 50% of total liver volume based on dynamic CT or MRI D. Age \> or = 18 E. ECOG performance status 0 F. AST/ALT \< or = 5 times the upper limits of normal G. A life expectancy \> 3 months H. Non-pregnant with an acceptable contraception in premenopausal women I. Ability to provide written informed consent and to comply with all study conditions Exclusion Criteria: * A. Contraindications to angiography and selective catheterization B. Known anaphylaxis to iodinated contrast C. Expected lung dose \> 30Gy per a session D. Unable to avoid non-target 90Y flow into the extrahepatic organs except the lungs E. Decompensated liver cirrhosis (Child-Pugh score \> 7) F. Active uncontrolled infection G. Pregnancy H. Current or history (\< or = 5 years) of malignancies in the other organs I. History of liver transplantation J. Any vascular invasion