title: The authors' reply.
authors.forename: Stuart J
authors.initials: SJ
authors.lastname: Schnitt
authors.forename: Monica
authors.initials: M
authors.lastname: Morrow
mesh_terms: D001940:Breast / Q000601:surgery*; D001943:Breast Neoplasms / Q000601:surgery*; D002277:Carcinoma / Q000601:surgery*; D005260:Female; D005629:Frozen Sections; D006801:Humans; D015412:Mastectomy, Segmental / Q000379:methods*; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*