FILE - In this Tuesday July 31 2012 file photo a radiologist compares an image from earlier 2-D technology mammogram to the new 3-D Digital Breast Tomosynthesis mammography in Wichita Falls Texas The technology can detect much smaller cancers earlier Chances of dying from DCIS ductal carcinoma in situ a very early form of breast cancer are small but the disease is riskier for young women and blacks - disparities seen previously in more advanced cancer according to a large study published Thursday Aug 20 2015 in JAMA Oncology Torin Halsey Times Record News via AP mamografia