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Lymph node test doesn’t improve breast cancer care, study finds
USA Today

A lymph node-sparing test hailed as revolutionary for its conservative approach does not lead to longer survival times for women undergoing lumpectomies whose early-stage breast cancer has spread microscopically, a large, new study suggests. Examining the medical records of more than 5,200 patients who underwent breast-conserving surgery for early, invasive breast cancer, researchers found that tiny cancer cells in the sentinel lymph node — the first node to which malignant cells are likely to spread from a primary tumor — detected with a diagnostic procedure called immunohistochemical (IHC) staining had no effect on overall survival.

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