The term “breast cancer” does not describe a single type of cancer, but rather several forms of a disease that can develop in areas of the breast. The American Cancer Society says breast cancer type ...

A staggering 1 in 8 women in the United States will be diagnosed with breast cancer in their lifetime. In 2025 alone, an estimated 316,950 women and 2,800 men are expected to be diagnosed with ...

As National Breast Cancer Awareness Month comes to a close, here are 5 things to note about the prospect of preventive mastectomies for individuals with a high-risk of developing breast cancer. A ...

Normally, HER2 helps your healthy breast cells grow and divide. But too much HER2 can trigger cells to grow out of control. HER2-positive breast cancer happens when the HER2 gene in your DNA mutates ...

Progesterone Receptor Positive (PR+) breast cancer is a distinct biological subtype of hormone receptor positive breast cancer. This type of cancer grows in response to progesterone, a hormone that is ...

MSK created this program because we’re experts in treating this type of cancer. Lobular breast cancer is very different from invasive ductal carcinoma, the most common type of breast cancer. It’s ...