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Pathological complete response (pCR) in breast and axilla across the intrinsic subtypes of breast cancer in (A,B) the overall cohort; (C) Patients with HR-positive disease (n = 49); (D) Patients with HR-negative disease (n = 40). HER2-E, HER2-enriched; non-HER2-E, non-HER2-enriched.
