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Blood tests in the works for breast cancer
Blood tests in the works for breast cancer

After breast cancer tumors are removed, many women undergo chemotherapy to eradicate any remaining cancer cells and reduce the risk that the disease will recur. The drugs can make them nauseous and anxious and lead to hair loss. But a blood test under development at the Johns Hopkins University could reduce the number of women who need chemotherapy significantly by revealing who has residual cancer cells after surgery to remove the tumors. "Oncologists are over-treating breast cancer because they don't know who to treat" after surgery, said Dr. Ben Ho Park, a Hopkins associate professor of oncology working on the test. "Wouldn't it be great if we could tell...

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