Would you treat a male breast cancer patient with post-mastectomy radiotherapy for a single positive sentinel lymph node and a low Oncotype?

In the setting of a mastectomy with a positive SLN and no ALND, I tend to extrapolate from AMAROS. While Z0011 had no mastectomy and AMAROS limited mastectomy patients, I am comfortable extrapolating axillary management to mastectomy setting.

In this case, I would offer PMRT to chest wall and regiona...