Breast Cancer

If your mammography report says you have dense breasts, what does it mean?

If your mammography report says you have dense breasts, what does it mean?

If your mammography report says you have dense breasts, what does it mean?

Basic Information
Statistics
Photo of a person looking at statistics about the United States on a digital tablet

Breast cancer is the second most common cancer among women in the United States. The Data Visualizations Tool provides detailed statistics.

Low-Cost Screening
Photo of a woman getting a mammogram

CDC’s National Breast and Cervical Cancer Early Detection Program provides low-cost breast and cervical cancer screenings. Learn more.

What Does It Mean to Have Dense Breasts?

When you get the results of your mammogram, you may also be told if your breasts have low or high density. Dr. Temeika Fairley explains what that means and why it’s important in this video.

Featured Resources
Photo of Charity, a breast cancer survivor

CDC’s Bring Your Brave campaign educates younger women about breast cancer.

Photo of two men playing basketball

Learn about symptoms of breast cancer in men and things that may increase your risk.

Photo of a woman

Learn what triple-negative breast cancer is and how it’s treated.

CDC works with partners to reduce the burden of breast cancer in the United States. Learn what CDC is doing.

Page last reviewed: August 11, 2020