What Is Triple-Negative Breast Cancer?

Triple-negative breast cancer is a subtype of breast cancer where cancer cells do not contain estrogen receptors or progesterone receptors, and HER2 receptors are also absent or present at low levels. Triple-negative breast cancer accounts for roughly 15% of all breast cancer cases and can be somewhat more aggressive than hormone-positive or HER2-positive breast cancer.  Who is most at risk for … Read more

What Is HER2-Positive Breast Cancer?

HER2-positive breast cancer is a subtype of breast cancer. Approximately 20% of breast cancer cases are HER2-positive.   HER2, which stands for human epidermal growth factor receptor 2, is a protein that appears on healthy breast cells in low numbers and is vital for the normal growth of breast cells. HER2-positive cancers have higher than normal levels of … Read more