Abstract 70: The Impact of Post-Mastectomy Radiation Therapy on Permanent Implants in Direct-to-Implant Breast Reconstruction versus Tissue Expanders in Two-Stage Breast Reconstruction. (April 2018) - Lin, Alex M.; Christensen, Joani M.; Liao, Eric C.; Cetrulo, Curtis L.; Taghian, Alphonse G.; Winograd, Jonathan M.; Smith, Barbara L.; Austen, William G.; Colwell, Amy S.