Priscilla J Slanetz1, Aine Marie Kelly2. 1. Department of Radiology, Division of Breast Imaging, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215; Harvard Medical School, 25 Shattuck Street, Boston, MA 02215. Electronic address: pslanetz@bidmc.harvard.edu. 2. Department of Radiology, Division of Cardiothoracic Radiology, University of Michigan Medical Center, Ann Arbor, Michigan.