Inclusion Criteria:  Women that have had a mammographically and/or sonographically identified finding that will require image guided biopsy Women between ages 40-74 with dense breasts having a mammogram Women identified as having an average or intermediate risk of breast cancer (defined as 10- 20% lifetime risk based on a clinical risk model).  Exclusion Criteria:  Women with metallic implants Women that are claustrophobic Women that have a fear of needles or contrast Women that have had an allergic reaction to contrast in the past Women that are pregnant Women who are demonstrated to be at risk for an allergic reaction or nephrogenic systemic fibrosis (NSF)