Clinicopathologic Factors Associated With Response to Neoadjuvant Anti-HER2–Directed Chemotherapy in HER2-Positive Breast Cancer
Meisel J, Zhao J, Suo A, Zhang C, Wei Z, Taylor C, Aneja R, Krishnamurti U, Li Z, Nahta R, O'Regan R, Li X. Clinicopathologic Factors Associated With Response to Neoadjuvant Anti-HER2–Directed Chemotherapy in HER2-Positive Breast Cancer. Clinical Breast Cancer 2019, 20: 19-24. PMID: 31806448, DOI: 10.1016/j.clbc.2019.09.003.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreastBreast NeoplasmsCarcinoma, Ductal, BreastChemotherapy, AdjuvantDNA Copy Number VariationsDrug Resistance, NeoplasmFeasibility StudiesFemaleHumansLymphocytes, Tumor-InfiltratingMastectomyMiddle AgedNeoadjuvant TherapyPredictive Value of TestsProgression-Free SurvivalReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneTumor BurdenConceptsTumor-infiltrating lymphocytesHER2-positive breast cancerNeoadjuvant therapyHER2/CEP17 ratioBreast cancerClinicopathologic featuresTumor sizeEstrogen receptorKi-67High HER2/CEP17 ratioCEP17 ratioHER2 immunohistochemistry 3Pathologic complete responseProgesterone receptor expressionSmaller tumor sizeBreast cancer responseHigh Ki-67Low estrogen receptorHER2 copy numberRCB-IIPatient ageClinicopathologic factorsComplete responseInitial biopsyExcisional specimens