How would you approach post-operative radiation in a patient with ER/PR negative Her2 positive, T1c N0 breast cancer originating in the ectopic mammary tissue close to the axilla, treated wide excision followed by APT regimen (weekly paclitaxel plus trastuzumab with trastuzumab for one year)?

I would approach this case as I would breast conserving surgery and recommend post-operative systemic therapy for T1cN0N0 HER2+ breast cancer - if wide excision with negative margins along with sentinel node biopsy has been done, then I would use the APT regimen (weekly paclitaxel plus trastuzumab w...