New study examines potential impact of breast density notification legislation in U.S
 

Mammographically-dense breasts - those that show more breast and connective tissue versus fat in a mammogram image - are recognized as a risk factor for developing breast cancer and can also hamper an accurate reading of a mammogram. National legislation currently under consideration would require the disclosure of mammographic breast density information to women with dense breasts, as well as encourage the consideration of supplemental screening for those women.

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