Survival outcomes after pathologic complete response with neoadjuvant endocrine therapy vs. neoadjuvant chemotherapy: a retrospective national database study

CONCLUSIONS: Patients with ER + /HER2- early-stage breast cancer who achieved pCR had similar OS, regardless of whether they received NAC or NET. As such, pCR appears to have similar prognostic value irrespective of the type of systemic therapy used to obtain this favorable outcome.