Who should have a breast MRI?

 New guidelines for MRI screening were presented by the American Cancer Society. They recommend annual screening with MRI for women who: 

              1) have a positive BRCA1 or BRCA2 gene mutation

              2) have a family member with a positive BRCA1 or BRCA2 genetic mutation

           3) have a lifetime risk of breast cancer which has been scored at 20-25% or higher

           4) have had radiation to the chest wall between the ages of 10 and 30