Single Biggest Cancer Dictionary in the World

What is quadruple-negative breast cancer?

Pronunciation: /kwɑˈdrupəl ˈnɛgətɪv brɛst ˈkænsər/

quadruple-negative breast cancer

Definition

A type of breast cancer in which the tumor cells do not have estrogen receptors, progesterone receptors, androgen receptors, or large amounts of HER2/neu protein on their surface. Knowing whether breast cancer is quadruple negative is important in planning treatment. Also called QNBC.