Cryoablation is an FDA-approved treatment for destroying fibroadenomas ( the most common type of breast tumor), and is an alternative to open surgery. It is the use of extreme cold to completely destroy tissue. Cryoablation technology is an established, effective therapy that has been used for decades to destroy benign and cancerous tumors in prostate, liver and other organs. The technology and procedure has now been optimized for breast fibroadenomas.