NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,466 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- fatty breast tissue
- listen (FA-tee brest TIH-shoo)
A term used to describe breast tissue that is made up of almost all fatty tissue. Fatty breast tissue does not look dense on a mammogram, which may make it easier to find tumors or other changes in the breast. Fatty breast tissue is more common in older women than in younger women. Fatty breast tissue is one of four categories used to describe a level of breast density seen on a mammogram.