This tutorial contains information on the Breast Imaging Reporting and Data System (BI-RADS) TM guidelines developed by the American College of Radiology (ACR), sonographic characteristics of benign and malignant breast disease, and identifies uses of Doppler in the diagnosis of breast disease. The length of time required to complete this course will vary depending on, but not limited to, expertise of subject matter, reading speed, interruptions, and your Internet connection speed. On an average, each CME requires one hour of study time. The accrediting agency, not Philips, is responsible for determining the number of CME credits awarded for this course.