Hidden Signs in Cancer Tissue (IMAGE) ETH Zurich Caption ETH researchers discovered thousands of unknown splicing variants of RNA molecules in cancer patients. Credit ETH Zurich Usage Restrictions Copyrighted by iStock.com 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.