Would you recommend nodal irradiation in a patient with breast cancer with a single positive sentinel node and a low Oncotype who does not receive chemotherapy?

Without knowing all the details, this sounds like a patient that may have been eligible for Z11 (early stage patients treated with BCS and SLN bx who were found to have 1-2 positive SLN then randomized to ALND vs no further surgery with all patients receiving at least tangents to breast). There was ...

Simul hit the high points: for these patients, important to breakdown single node with SLN vs. ALND. Also, lumpectomy vs. mastectomy.

If SLN+ with no ALND, we typically rely on AMAROS regardless of lumpectomy and mastectomy and offer regional nodal irradiation with breast/chest wall without ALND. ...