A new online calculator can help predict if a woman will develop breast cancer within the next five and 10 years. The tool estimates a person’s risk based on age, race and ethnicity, family history, whether or not they have had a breast biopsy in the past, and breast density. Researchers behind the test hope it will enable doctors to identify those patients at highest risk of the disease. Dr Charlotte Gard, from the New Mexico State University and a consultant at the National Cancer Institute-funded Breast Cancer Surveillance Consortium (BCSC), said: ‘Our tool is unique in that it combines both breast density and biopsy results.–DM