More Support for Gene Assay to Guide Breast Cancer Treatment
email article Patients with ultralow-risk breast cancer according to genomic assessment had excellent long-term outcomes regardless of clinical risk or whether they received adjuvant therapy, a new analysis of a randomized trial showed. The 8-year breast cancer-specific survival (BCSS) was 99.2% among patients classified as clinically high-risk but ultralow-risk by the MammaPrint 70-gene assay. Patients with an ultralow-risk genomic assessment and low clinical risk had an 8-year BCSS of 99.7%. Freedom from distant metastasis at 8 years was 97.6% in patients who were clinically and genom...