Should N1a breast cancer patients with positive intramammary node metastases but negative axillary sentinel node biopsy receive adjuvant post mastectomy radiation?

My philosophy of PMRT for these patients is similar to what I would do for 1 to 3 positive nodes. I recommend PMRT based on other adverse factors.

If they have had BCT and the sentinel node is negative (the presumption is the true sentinel node for these patient is the intramammary node with the nex...