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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



ER-negative PR-negative HER2/neu-negative breast cancer  listen  (... NEH-guh-tiv ... NEH-guh-tiv ... NEH-guh-tiv brest KAN-ser)

  Describes breast cancer cells that do not have estrogen receptors, progesterone receptors, or large amounts of HER2/neu protein. Also called triple-negative breast cancer.