NCIt synonyms : Negative Estrogen Receptor; ER-; ER Negative; ESTRR Negative; ER-Alpha Negative; ERA Negative; ESR1 Negative; Nuclear Receptor Subfamily 3 Group A Member 1 Negative; ESRA Negative; NR3A1 Negative; ER Alpha Negative; ESR Negative; Estrogen Receptor 1 Negative; Estrogen Receptor Alpha Negative;
NCIt related terms : Negative;
NCIt definition : The absence of detectable estrogen receptor alpha in a tissue sample.;
Alternative definition : NCI-GLOSS: Describes cells that do not have a protein to which the hormone estrogen
will bind. Cancer cells that are estrogen receptor negative do not need estrogen to
grow, and usually do not stop growing when treated with hormones that block estrogen
from binding.;
Codes from synonyms : CDR0000045272; CDR0000044403;