2017 Multidisciplinary Thoracic Cancers Symposium Logo (image) American Society for Radiation Oncology Share Print E-Mail Caption This is the 2017 Multidisciplinary Thoracic Cancers Symposium logo. Credit American Society for Radiation Oncology (ASTRO) Usage Restrictions Image may only be used with appropriate caption or credit. Share Print E-Mail 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.