Flowchart of Screening Ultrasound Patients (image) American Roentgen Ray Society Share Print E-Mail Caption US = ultrasound, DM = digital mammography, DBT = digital breast tomosynthesis. Credit American Journal of Roentgenology (AJR) Usage Restrictions Image may only be used with appropriate caption or credit. Share Print E-Mail 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.