title: Treatment of primary breast cancer.
mesh_terms: D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000532:radiotherapy / Q000628:therapy*; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D008408:Mastectomy; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local