title: Stages I and II breast cancer. Is there a rational basis for surgical excision followed by precision radiation therapy?
mesh_terms: D001943:Breast Neoplasms / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D005260:Female; D006801:Humans; D008408:Mastectomy / Q000639:trends*; D009367:Neoplasm Staging