Work out breast cancer risk (gail model) instantly with clear inputs, formula shown and shareable results.
Scales the population baseline breast cancer risk by a relative risk from a validated model to give absolute lifetime and five-year estimates.
Absolute risk from relative risk
Absolute risk = population baseline risk x relative risk; the American Cancer Society offers MRI screening at 20% or more lifetime risk
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
The Gail model uses fitted coefficients and race-specific baseline hazards; entering its output keeps the arithmetic here transparent.
Those with BRCA mutations, prior chest radiotherapy or lobular carcinoma in situ, where Gail underestimates risk.