Time-Lapse of Mucus in the Lungs (IMAGE) University of Pittsburgh Caption Nuclear imaging shows mucus clearance from the lungs. These imaging techniques can be used along with systems models to help develop treatments for Cystic Fibrosis. Credit Tim Corcoran 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.