Examples of 75% to 100% mammographic density Were you wondering what do dense breasts look like? It’s not something you’re used to seeing, so it takes a minute to realize what you are looking at. There are quite a lot of examples in this category. These are mammograms that have the highest amount of dense […]

Examples of 0% fatty mammogram density To explain the pictures below, they are shown as examples of fatty mammogram breast images. If you are able to obtain your own mammograms, and compare them to these examples, you may be able to figure out your own mammographic density. Although these examples show some pictures that look […]

This is a copy of a news article from 1999. A new method of calculating breast cancer risk can help doctors predict a woman’s risk of developing an invasive form of the cancer, results of a new study suggest. The technique "can provide useful information to women who may be contemplating the risks and benefits […]

Describing the building process of the halls.md Breast Cancer Risk Calculator. Documenting the methods used by the halls.md Risk Calculator is essential, so the results can be trusted.  The basis for risk calculation methods is described in references 1 through 5. See the references, below. The internal workings of my Gail model 1 calculator start […]

Breast Cancer Risk (Gail Model) Calculation Methods The halls.md detailed breast cancer risk calculator offers a choice of two calculation methods, called "Gail model 1" and "NSABP model 2".   If you are curious, you can compare the results of my calculator to some other calculators.  You’ll find that my results are close, very close, not […]

Examples of 50% to 74% mammographic density, moderately dense breast tissue Indeed, these ARE moderately dense mammogram images with moderately dense breast tissue. I gathered these examples in around the year 2002, so they are admittedly small and poor quality. Why am I showing these examples? Because its not hard to learn to judge mammographic […]

Examples of 25% – 49% mammographic density Compare this page to the previous pages in the mammogram density index. Disregard the fact that some mammograms were photographed brighter than others. Look within each breast at the proportion of white and dark areas. In these examples, the darker regions occupy over 75% of the area, thus […]

Appendix. How the standard Gail Model method was modified and implemented in the halls.md breast cancer risk calculator. Here are the statistical details, the technical stuff, describing the inner workings of the halls.md Breast Cancer Risk Calculator. My summary is: I’ve made some modifications to the published Gail Model method, but my calculator works very […]