title: Conservative surgery and radiation therapy for early breast cancer: results, controversies, and unsolved problems.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D001943:Breast Neoplasms / Q000401:mortality / Q000628:therapy*; D002986:Clinical Trials as Topic; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D008408:Mastectomy / Q000379:methods; D009364:Neoplasm Recurrence, Local; D011446:Prospective Studies; D011878:Radiotherapy; D012189:Retrospective Studies
chemical_list: D000970:Antineoplastic Agents