ViPOR Scans (IMAGE) NIH/National Cancer Institute Caption Before treatment with ViPOR, full-body and cross-sectional PET scans of a patient show large lymphoma tumors (circled in the top two panels). Following treatment, the tumors have disappeared (bottom two panels). Credit Center for Cancer Research/National Cancer Institute Usage Restrictions Use with credit to National Cancer Institute License Original 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.