Receptor discordance between primary tumors and nodal metastases and correlation with the 21-gene recurrence score in early-stage, estrogen receptor-positive, node-positive breast cancer.

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Title: Receptor discordance between primary tumors and nodal metastases and correlation with the 21-gene recurrence score in early-stage, estrogen receptor-positive, node-positive breast cancer.
Authors: Zheng S; Department of Surgery, University of California Los Angeles, 10833 Le Conte Ave. 54-117 CHS, Los Angeles, CA, 90095, USA., Sullivan P; Department of Pathology and Laboratory Medicine, University of California Los Angeles, Los Angeles, CA, USA., Vadehra K; Department of Pathology and Laboratory Medicine, University of California Los Angeles, Los Angeles, CA, USA., Kim J; Department of Biostatistics, University of California Los Angeles, Los Angeles, CA, USA., Levee A; Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA., Callahan R; Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA., Teshome M; Department of Surgery, University of California Los Angeles, 10833 Le Conte Ave. 54-117 CHS, Los Angeles, CA, 90095, USA., Tseng CH; Department of Biostatistics, University of California Los Angeles, Los Angeles, CA, USA., Bardia A; Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA., Kapoor NS; Department of Surgery, University of California Los Angeles, 10833 Le Conte Ave. 54-117 CHS, Los Angeles, CA, 90095, USA. NSKapoor@mednet.ucla.edu.
Source: Breast cancer research and treatment [Breast Cancer Res Treat] 2026 Jun 22; Vol. 217 (3). Date of Electronic Publication: 2026 Jun 22.
Publication Type: Journal Article
Journal Info: Publisher: Kluwer Academic Country of Publication: Netherlands NLM ID: 8111104 Publication Model: Electronic Cited Medium: Internet ISSN: 1573-7217 (Electronic) Linking ISSN: 01676806 NLM ISO Abbreviation: Breast Cancer Res Treat Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1573-7217
DOI:10.1007/s10549-026-08009-0