Episode 17: 3D Mammography Gains Momentum by Harvard University published on 2012/06/27 13:51:17 +0000 A new imaging tool is poised to transform breast cancer screening. Plus, cancer researchers develop 3D tissue models and a radiologist shares her perspective. Harvard Medical School Office of Communications and External Relations. Mar 29, 2012. Copyright 2012 The President and Fellows of Harvard College.