Use of adjuvant chemotherapy in hormone receptor-positive breast cancer patients with or without the 21-gene expression assay
ConclusionsFor HR-positive, HER2-negative breast cancer patients with 0 –1 node metastases, chemotherapy use declined significantly after the adoption of the 21-gene assay. PgR status and Ki-67 were useful for chemotherapy decision-making in cases without the 21-gene assay.
Source: Breast Cancer Research and Treatment - Category: Cancer & Oncology Source Type: research
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