Debate over new breast cancer screening guidelines

Toborcia Bedgood, left, prepares a screen-film mammography test for Alicia Maldonado at The Elizabeth Center for Cancer Detection in Los Angeles in this photo from May. A radiologist compares an image from earlier, 2-D technology mammogram to 3-D Digital Breast Tomosynthesis mammography in Wichita Falls, Texas, in this photo from 2012. The technology can detect much smaller cancers earlier.