Ewing's Sarcoma Cells (IMAGE) Rice University Caption An electron microscope image shows Ewing's sarcoma cells growing on a 3-D scaffold more commonly used for growing tissue for implantation. Growing tumors in the scaffold may provide superior models for testing cancer treatments. Credit Rice University Usage Restrictions For news reporting use only. 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.