title: The end of the beginning of our understanding about accelerated partial breast irradiation.
authors.affiliation: Perelman School of Medicine of the University of Pennsylvania, Philadelphia, PA.
authors.forename: Gary M
authors.initials: GM
authors.lastname: Freedman
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy* / Q000601:surgery*; D005260:Female; D006801:Humans; D015412:Mastectomy, Segmental; D018714:Radiotherapy, Adjuvant / Q000379:methods*