Single Biggest Cancer Dictionary in the World
What is triple-negative breast cancer?
Pronunciation: /ˈtrɪpəl ˈnɛgətɪv brɛst ˈkænsər/
triple-negative breast cancer
Definition
A type of breast cancer in which the tumor cells do not have estrogen receptors, progesterone receptors, or large amounts of HER2/neu protein on their surface. Knowing whether breast cancer is triple negative is important in planning treatment. Also called ER-negative PR-negative HER2/neu-negative breast cancer and TNBC.