HER2-positive breast cancer: What is it? - Mayo Clinic - hd6 breast cancer

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Sep 18, 2019 · HER2 is a protein that causes breast cancer cells to grow, and it can cause aggressive breast cancer. Read about survival rates, treatments, and more.Author: Robin Madell.

Sep 25, 2017 · Some women have breast tumors with higher levels of a protein known as HER2/neu – these are called HER2-positive breast cancers. What is HER2/neu and what does it mean? HER2/neu (often just shortened to HER2) is a growth-promoting protein Last Revised: September 25, 2017.

HER2-positive breast cancer is a type of breast cancer in which breast cancer cells test positive for a protein receptor called human epidermal growth factor receptor 2. This protein’s normal.

Breast cancers are ER-positive, HER2-positive, or triple negative. The type of breast cancer you have determines the type of medication you take. Learn more from experts at WebMD.