STAFF (IMAGE) UT Southwestern Medical Center Caption Staff at UT Southwestern's Moncrief Cancer Institute in Fort Worth followed up with patients who returned stool samples. Credit UT Southwestern Medical Center Usage Restrictions None 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.