In women with locally advanced HER2+ breast cancer who have had a complete response to neoadjuvant chemotherapy, what factors impact your decision to offer PMRT?
Does your recommendation change for women with HER2- disease?
Answer from: Radiation Oncologist at Community Practice
Currently, the use of PMRT should be based on pre treatment staging. If pretreatment staging is stage III, I would recommend RT. If pretreatment nodal staging is IIB would favor observation but would also consider for B51 study randomizing between RT vs observation.
Answer from: Radiation Oncologist at Academic Institution
For my practice, any node positive patients (even T2N1) eligible for B51 would be offered enrollment. Off-protocol I would treat.
Any patient with up-front cT4 or cN2+ disease (not eligible for B51) gets PMRT.
cT3N0 prior to chemotherapy would be an individualized discussion with the patient but w...