Partial-breast irradiation: Less may be more.
D000367:Age Factors; D001918:Brachytherapy / Q000379:methods; D001943:Breast Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D015412:Mastectomy, Segmental; D011879:Radiotherapy Dosage