The Immune Microenvironment in Hormone Receptor–Positive Breast Cancer Before and After Preoperative Chemotherapy
Waks AG, Stover DG, Guerriero JL, Dillon D, Barry WT, Gjini E, Hartl C, Lo W, Savoie J, Brock J, Wesolowski R, Li Z, Damicis A, Philips AV, Wu Y, Yang F, Sullivan A, Danaher P, Brauer HA, Osmani W, Lipschitz M, Hoadley KA, Goldberg M, Perou CM, Rodig S, Winer EP, Krop IE, Mittendorf EA, Tolaney SM. The Immune Microenvironment in Hormone Receptor–Positive Breast Cancer Before and After Preoperative Chemotherapy. Clinical Cancer Research 2019, 25: 4644-4655. PMID: 31061067, PMCID: PMC6677598, DOI: 10.1158/1078-0432.ccr-19-0173.Peer-Reviewed Original ResearchConceptsStromal tumor-infiltrating lymphocytesImmune microenvironmentNeoadjuvant chemotherapyPD-L1Breast cancerHormone receptor-positive breast cancerBreast tumorsHormone receptor-positive/HER2-negative breast cancerHER2-negative breast cancerDistant metastasis-free survivalReceptor-positive breast cancerImmunotherapy-based approachesPAM50 intrinsic subtypesCheckpoint inhibitor therapyPD-L1 stainingTumor-infiltrating lymphocytesMetastasis-free survivalMacrophage-targeted therapiesRole of macrophagesPreoperative chemotherapyStandard chemotherapyInhibitor therapyResidual diseaseMyeloid signaturePoor response