Estrogen receptor test

An estrogen receptor test is a laboratory test to find out if cancer cells have estrogen receptors (proteins to which estrogen will bind). If the cells have estrogen receptors, they may need estrogen to grow, and this may affect how the cancer is treated.

External links

• Estrogen receptor test entry in the public domain NCI Dictionary of Cancer Terms

 This article incorporates public domain material from the U.S. National Cancer Institute document "Dictionary of Cancer Terms".