METAvivor is a non-profit organization dedicated to the specific fight of women and men living with stage 4 metastatic breast cancer (MBC). METAvivor uses 100% of donations for stage 4 MBC research with a mission to one day, transition the terminal disease to a chronic manageable illness. METAvivor also provides education, advocacy and support programs for the MBC patient while working to raise awareness of MBC. METAvivor remains the sole US organization dedicated to awarding annual, peer-reviewed, stage 4 breast cancer research grants.