Article

Evaluating the Association of Ki 67 with Oncotype DX Recurrence Score in Early-Stage ER Positive/HER2 Negative Breast Cancer

2026-04-23

Abstract excerpt

<h4>Background: </h4> /Objectives Ki‑67 is widely used as an immunohistochemical marker of tumor proliferation in hormone receptor–positive (HR‑positive), HER2‑negative breast cancer, but its inter-pretation is limited by variability and uncertain concordance with genomic assays. The Oncotype DX® Recurrence Score (RS) is a validated multigene assay with established prognostic and predictive utility. This study eva...

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Literature Corpus work: 0a8aadac-057b-5873-b36c-639ff723d709
DOI: 10.20944/preprints202604.1636.v1

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