A new study evaluated breast cancer risks in ATM carriers based on family history and found that risks for breast cancer were higher in those with a family history and additional non-genetic risk factors modified risks in those who already had a family history.
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.