The 4 X 4 X 4 X IV Challenge was created to help raise money for metastatic breast cancer research. Only 2-3% of breast cancer research funds go to METASTATIC breast cancer, which is the type of breast cancer that is the most lethal. METAvivor wants to direct more of those funds to metastatic breast cancer research, and they can only do it with your help! Take 4 minutes of your time and head to www.metavivor.org Donate $4 Nominate 4 people for Stage IV metastatic breast cancer research.