(ER) ESTROGEN RECEPTOR
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What is this Test About?
Progesterone receptor (PR) is a surrogate marker of Estrogen receptor (ER) activity in the management of women with breast cancer. ER & PR status provides an indication of prognosis and potential benefit from hormonal therapy. Generally ER & PR positive tumors are more likely to respond to endocrine therapy and have a better prognosis, stage for stage as compared to receptor negative tumors. This test is recommended in patients with newly diagnosed breast cancer and metastatic & recurrent breast cancer.
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