What are the radiation therapy (RT) recommendations for patients undergoing lumpectomy for the treatment of breast cancer?

Updated: Apr 23, 2020
  • Author: Joseph A Sparano, MD; Chief Editor: John V Kiluk, MD, FACS  more...
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Answer

Answer

Patients undergoing lumpectomy with surgical axillary staging

RT recommendations are based on the patient's axillary node status, as follows:

  • Four or more positive axillary nodes – Whole-breast RT, with or without boost to the tumor bed; RT to the infraclavicular and supraclavicular areas should also be considered

  • One to three positive axillary nodes – Whole-breast RT, with or without boost to the tumor bed; RT to the infraclavicular and supraclavicular areas should also be considered, as should RT to internal mammary nodes

  • Negative axillary nodes – RT to the whole breast, with or without boost to the tumor bed; partial breast irradiation (PBI) may be considered in selected patients


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