What RT fields should be used to treat a triple negative breast cancer with biopsy positive lymph nodes and a pCR to neoadjuvant chemotherapy?   

If there is a pCR in the breast and nodes do you treat the breast/chest wall SCV and full axilla?  IMNs?  Would the type of surgery (lumpectomy vs mastectomy) have an impact on your nodal fields? If the patient only has a sentinel node biopsy would that change the fields you treat?  What about if the patient was ER/PR+ or Her2 +?



Answer from: Radiation Oncologist at Academic Institution

Answer from: Radiation Oncologist at Academic Institution

Answer from: Radiation Oncologist at Community Practice
Comments
Radiation Oncologist at Varian Medical Systems/Allegheny health network
The above argument applies for N1 disease only. As...
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