1- Approximately 6-10% of new breast cancer cases are initially Stage IV or metastatic. This is sometimes called “de novo” metastatic disease, meaning from the beginning.
2- It is estimated that 20-30% of all breast cancer cases will become metastatic.
3- Breast cancer is the number one cause of cancer death in young women under age 50.
4-Men do get breast cancer and represent approximately 1% of the new cases and deaths from breast cancer in the US
5-About half a million deaths worldwide annually
6- Survival for MBC varies greatly from person to person. One large study found that about 15 percent of women lived at least five years after diagnosis with MBC and some women may live 10 or more years beyond diagnosis.
