Preparing the tumor tissue for sequencing (IMAGE) Charité - Universitätsmedizin Berlin Caption Preparing the tumor tissue for sequencing: In order to enable a highly sensitive analysis of genetic heterogeneity, the researcher only included regions with a high concentration of live tumor cells. These were isolated from frozen tumor tissue sections using a scalpel. Credit Charité l Linda Ambrosius Usage Restrictions none 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.