HER2 immunohistochemistry staining positivity is strongly predictive of tumor response to neoadjuvant chemotherapy in HER2 positive breast cancer
Zhao J, Krishnamurti U, Zhang C, Meisel J, Wei Z, Suo A, Aneja R, Li Z, Li X. HER2 immunohistochemistry staining positivity is strongly predictive of tumor response to neoadjuvant chemotherapy in HER2 positive breast cancer. Pathology - Research And Practice 2020, 216: 153155. PMID: 32871536, DOI: 10.1016/j.prp.2020.153155.Peer-Reviewed Original ResearchConceptsHigh HER2/CEP17 ratioHER2/CEP17 ratioTumor responseBreast cancer casesNeoadjuvant HER2CEP17 ratioNeoadjuvant chemotherapyIHC 3Breast cancerCancer casesRCB II/IIIHER2-positive breast cancerHER2 IHC 3Complete pathologic responseResidual cancer burdenSmaller tumor sizePositive breast cancerLow nuclear gradeHER2 copy numberHigh Ki67Pathologic responseCancer burdenExcisional specimensPositive cancersTumor size