PR+ [also called progesterone receptor positive]

Last modified on September 17, 2012 at 7:06 pm

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Breast cancer cells that have a special receptor protein to which progesterone will attach. Breast cancer cells that are PR+ depend on the hormone progesterone to grow, and usually respond to hormonal therapy.

Read more about hormone receptor status.

Weiss_marisa_tcm8-329674

Audio contributed by: Marisa Weiss, M.D.

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