Mammogram (1 of 3) (IMAGE) Radiological Society of North America Caption Images in 65-year-old breast cancer screening participant with a suspicious lesion (arrow) at screening mammography. (a) Mediolateral oblique screening mammogram. (b) Diffusion-weighted imaging with background suppression (b = 1500 sec/mm2 ) maximum intensity projection, displayed with black-white inversion, shows the lesion as an area of focal diffusion restriction. Credit Radiological Society of North America Usage Restrictions May use with credit License Licensed content 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.