Wendie A. Berg, MD, PhD, FACR, FSBI is Professor of Radiology at University of Pittsburgh School of Medicine, was PI of ACRIN 6666, Screening Breast Ultrasound (US) and MRI. Dr. Berg has led and analyzed prospective trials evaluating elastography, positron emission mammography, MRI, and molecular breast imaging. She is currently leading several screening trials comparing tomosynthesis and contrast-enhanced mammography. Dr. Berg is Chief Scientific Advisor to www.DenseBreast-info.org, and co-lead editor/author of 3 editions of Diagnostic Imaging: Breast.