1. Breast Density and Breast Cancer Risk: A Practical Review
Amy T. Wang, MD, Celine M. Vachon, PhD, Kathleen R. Brandt, MD, Karthik Ghosh, MD 
Mayo Clinic Proceedings 
Volume 89, Issue 4, Pages (April 2014)
DOI: /j.mayocp
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2. Figure 1
Mediolateral oblique mammographic views depicting the 4 BI-RADS density categories: (A) almost entirely fat (BI-RADS 1 density); (B) scattered fibroglandular densities (BI-RADS 2 density); (C) heterogeneously dense (BI-RADS 3 density); (D) extremely dense (BI-RADS 4 density). BI-RADS = Breast Imaging Reporting and Data System.
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
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3. Figure 2
Craniocaudal mammographic views of a breast cancer in a BI-RADS 4 density breast (A) and a breast cancer in a BI-RADS 1 density breast (B).
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2014 Mayo Foundation for Medical Education and Research Terms and Conditions

4. Figure 3 Approach to a woman with dense breasts (clinical algorithm).
Mayo Clinic Proceedings  , DOI: ( /j.mayocp )
Copyright © 2014 Mayo Foundation for Medical Education and Research Terms and Conditions