Gail Model · BCRAT

Breast cancer risk calculator

A few quick questions to estimate the chance of invasive breast cancer in the next 5 years and up to age 90.

For education only — not a diagnosis. Please discuss results with a doctor.

Question 1 of 7

Has she ever had breast cancer, DCIS, LCIS, chest radiation, or a BRCA1/2 mutation?

About the model

Built by Mitchell Gail and colleagues in 1989, it powers the National Cancer Institute's Breast Cancer Risk Assessment Tool. It combines personal risk factors with population cancer and death rates.