Dr. Marwan Fakih (IMAGE) City of Hope Caption “A liquid biopsy measuring circulating tumor DNA is a novel way to test for residual disease in patients who have recently received curative resection for colon cancer. Identifying early disease recurrence is important as it may allow for potential curative interventions,” said Marwan Fakih, M.D., co-director of City of Hope’s Gastrointestinal Cancer Program and lead author of the new study. Credit City of Hope Usage Restrictions Please use credit info 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.