3-D Image of Lungs (IMAGE) University of Iowa Health Care Caption University of Iowa researchers have shown that CT scans measuring blood flow in the lungs can detect early emphysema-related changes that occur in smokers who are susceptible to the disease. This image shows the lungs of a patient who smokes and has very early signs of emphysema. Credit University of Iowa Usage Restrictions To request permission to use image, please contact Jennifer Brown at jennifer-l-brown@uiowa.edu 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.