In a new study of almost 70,000 women, including those with hereditary forms of breast cancer, breast cancer risk was higher in those with a family history of breast cancer.
Family history raised breast cancer risks:
- The least in BRCA1 carriers (see panel 3)
- The most in PALB2 carriers (see panel 6)
✨Why is this important? ✨
This type of information to personalize risk estimates can help women to guide screening and prevention decisions
To learn more read the article at: https://jamanetwork.com/journals/jamaoncology/article-abstract/2839917
Reference: O’Brien, et al. JAMA Oncology. Published online October 09, 2025. doi:10.1001/jamaoncol.2025.3875. PMID: 41066089.