Subject is unable or unwilling to undergo informed consent

Subject has breast implant in the breast to be imaged

Subject is pregnant

Subject is breast feeding or lactating

Subject has a known allergy to gadolinium contrast agents.

Subject has a contraindication for MRI.

Subject suspected to be at risk to complication from the contrast agents.

Subject has a documented renal insufficiency,

Subject requires renal dialysis.

Subject has had a prior reaction to iodinated contrast.

Subject has had a prior episode of anaphylactic reaction to any substance.

Subject has taken metformin (Glucophage) within 48 hours of study procedures.

Subject has multiple allergies and/or severe asthma regularly treated with medication (prescription and/or over-the-counter).

Dual-energy Contrast-enhanced (2D and 3D Mammography Versus Contrast-enhanced MRI)- A Pilot Study