Images (IMAGE) Radiological Society of North America Caption Images show (a) contrast material-enhanced CT scan before yttrium 90 of an 87-year-old man with 4-cm hepatocellular carcinoma in right lobe. (b) Contrast-enhanced MR image at subsequent 9-year follow-up (now aged 96 years) shows complete necrosis. Credit Radiological Society of North America Usage Restrictions May use with credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.