Human epidermal growth factor receptor-2 (HER-2/neu) is a genetic
protein that is in part responsible for how certain cancer cells grow, divide,
and repair themselves. Some women have cells with more than the normal two
copies of the gene (HER-2) that produces this protein, which results in breast
cancer that grows and spreads quickly and is likely to recur after
Tests can be done on breast cancer cells to find out whether
HER-2/neu protein is present. This information is useful when treatment
decisions need to be made.
Sarah Marshall, MD - Family Medicine & Douglas A. Stewart, MD - Medical Oncology
How this information was developed to help you make better health decisions.