Contrast-enhanced MammographyThe C-MERIT Screening Cohort: Contrast-enhanced Mammography for Breast Cancer Screening and Risk Assessment in Women With Dense Breasts

Inclusion Criteria:

1. Female patients 30-75 years of age with dense breasts (ACR BI-RADS categories C and D) who undergo routine yearly mammography at participating MDACC sites
2. Willingness to co-enroll or currently enrolled in PA17-0584
3. Willingness to participate in the study and ability to provide informed consent

Exclusion Criteria:

1. Self-reported new breast symptoms since last mammogram including nipple discharge, palpable mass, skin dimpling, or focal pain.
2. Current or recent (within the prior 6 months) history of pregnancy or breast feeding
3. Personal history of breast cancer (DCIS or invasive breast cancer)
4. Treatment of any other type of cancer within the past 5 years excluding in-situ cervical and non-melanoma skin cancer
5. Breast biopsy within 6 months
6. Breast surgery within 12 months
7. Breast MRI, MBI, or CEM performed within 24 months
8. Known allergy to iodine-containing contrast agents
9. History of anaphylactic reaction to any substance that required hospitalization or IV placement in a patient with no known prior uneventful exposure to iodine-based IV contrast
10. Renal insufficiency (as defined by UTMDACC policy 3.30- attachment 1 (appendix D)