ESTROGEN RECEPTOR NEGATIVE


Meaning of ESTROGEN RECEPTOR NEGATIVE in English

ER-. Breast cancer cells that do not have a protein (receptor molecule) to which estrogen will attach. Breast cancer cells that are ER- do not need the hormone estrogen to grow and usually do not respond to hormone (antiestrogen) therapy that blocks these receptor sites.

NCI English Dictionary of Cancer Terms.      Английский словарь раковых терминов NCI(Национальный институт злокачественных новообразований).