Using emerging genomic information to create opportunities for targeted or risk-based screening in cancer prevention and control is a critical component of President Obama's Precision Medicine Initiative. But precision genomic screening raises multiple ELSI (ethical, legal, social, and policy) concerns. The proposed embedded ELSI research project presents a unique opportunity to follow and assess the ELSI issues that accompany a pioneering randomized pragmatic clinical trial of a risk-based approach to breast cancer screening.