title: Conservative treatment of primary breast cancer: how much is required?
authors.forename: A S
authors.initials: AS
authors.lastname: Lichter
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy / Q000601:surgery*; D003131:Combined Modality Therapy; D006801:Humans; D008408:Mastectomy / Q000379:methods