A new study reports that risks for breast cancer in BRCA1 carriers did NOT markedly differ based on family history. However, additional non-genetic risk factors were important modifiers of risk.
To learn more read the article at: https://jamanetwork.com/journals/jamaoncology/article-abstract/2839917
Reference: O’Brien, et al. JAMA Oncol. 2025. Online ahead of print. PMID: 41066089.