World's Leading Website About Dense Breasts

How a cancer would show in breast density categories on a mammogram

Breasts that are (A) fatty or (B) scattered, are “not dense” breasts. Breasts that are (C) heterogeneously dense or (D) extremely dense, are “dense” breasts.

SBI Gold Medalist and UK Parliament Update

Gold Medalist Congratulations to Dr. Wendie Berg, DBI’s Chief Scientific Advisor, for being named SBI’s 2026 Gold Medalist! The honor is in recognition of her exceptional and significant

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Federal Insurance Bill Re-introduced + News Efforts and Materials Abroad

The Find It Early Act The federal insurance bill, the Find It Early Act, has now been re-introduced in both the House and Senate. DBI has been closely involved in the bill’s

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How a cancer would show in breast density categories on a mammogram

Breasts that are (A) fatty or (B) scattered, are “not dense” breasts. Breasts that are (C) heterogeneously dense or (D) extremely dense, are “dense” breasts.

For Patients

For Providers

Screening Technologies

Insurance/Inform Laws

SBI Gold Medalist and UK Parliament Update

Federal Insurance Bill Re-introduced + News Efforts and Materials Abroad

World's Leading Website About Dense Breasts

How a cancer would show in breast density categories on a mammogram

Breasts that are (A) fatty or (B) scattered, are “not dense” breasts. Breasts that are (C) heterogeneously dense or (D) extremely dense, are “dense” breasts.

Get Smart About Being Dense™

For Patients

For Providers

Screening Technologies

Insurance/Inform Laws

Blog and Press

SBI Gold Medalist and UK Parliament Update

Federal Insurance Bill Re-introduced + News Efforts and Materials Abroad