New breast cancer classification based on epigenetics

Breast cancer is the most common form of cancer in women. One in nine will suffer breast cancer over their lifetime. Progress in prevention and early detection, and the use of chemotherapy after surgery (adjuvant chemotherapy), have achieved significantly increase survival in this disease in the last ten years, but much remains to be done. The identification of patients with high-risk breast cancer is key to knowing whether a patient will require only the removal of the tumor by surgery or whether if she will need additional chemotherapy to make sure the removal of breast cancer cells.

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