Single Biggest Cancer Dictionary in the World
What is ER-negative PR-negative HER2/neu-negative breast cancer?
Pronunciation: /ər ˈnɛgətɪv pr* ˈnɛgətɪv hər tu nɔɪ ˈnɛgətɪv brɛst ˈkænsər/
ER-negative PR-negative HER2/neu-negative breast cancer
Definition
ER-negative PR-negative HER2/neu-negative breast cancer is defined by a lack of expression of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2/neu). Also called TNBC and triple-negative breast cancer.