Before and After Treatment (IMAGE) Optica Caption This image shows a tumor before (left) and five days after (right) anti-angiogenic treatment -- a novel treatment approach by inhibiting blood vessel growth. Credit <I>Nature Medicine</I> Usage Restrictions Must include caption & 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.