NHS criteria miss up to 95% of under-50 breast cancer cases

A major study published on August 4, 2026, has found that the current National Health Service criteria for referring younger women for breast cancer risk assessment are missing the vast majority of those at elevated risk. Research from the University of Cambridge and The Institute of Cancer Research, London, indicates that up to 95 percent of women under 50 in England who later develop breast cancer are not flagged by existing guidelines.

The findings, published in the British Journal of Cancer, reveal a stark gap between the current family history-based approach and a more comprehensive method of risk evaluation. The study analyzed data from 1,258 women under 50 who participated in the Breast Cancer Now Generations Study between 2004 and 2011. It compared the performance of the National Institute for Health and Care Excellence (NICE) referral criteria with the BOADICEA model, a multifactorial risk assessment tool.

Under the current NICE pathway, general practitioners refer women for specialist assessment primarily based on a strong family history of breast or related cancers. The study found this approach would refer only 1.4 percent of women under 50, capturing just 4.4...