3-D Ultrasound Molecular Imaging (USMI) Images (image) University of North Carolina Health Care Caption 3-D Ultrasound Molecular Imaging (USMI) images of non-responder and responder pancreatic xenografts before (day 0) and after (day 2) treatment. The grayscale image shows a volume of the tumor and surrounding tissue. Credit Dayton Lab, UNC Usage Restrictions None 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.