How would you approach a locally recurrent HER2 positive breast cancer patient previously treated with TCHP, lumpectomy, and a year of adjuvant TDM-1?
Patient was initially ER positive, HER2 positive. Currently she is on letrozole. Recurrence is ER/PR negative and HER2 positive and developed almost 2 years after completing adjuvant therapy.
Answer from: Medical Oncologist at Academic Institution
Assuming that the patient's metastatic work-up is negative, and that the local recurrence is in the breast, limited in volume and resectable, standard local management would be a mastectomy, without post-mastectomy radiation (as she presumably received radiation after her lumpectomy). I also assume ...