What adjuvant treatment approach would you choose for a premenopausal woman with lymph node positive poorly differentiated metaplastic breast cancer that is ER low+, PR+, HER2 negative?   

Given the tumor is ER low+ (and I'm going to assume not strongly PR+ in this case since that would be highly unusual in the setting of ER low positivity only...but please comment back if I'm wrong!), yes, I would consider this biologically triple-negative disease (and very high risk given metaplasti...