ATM and breast carcinoma: Another meta-analysis of 19 studies by Marabelli M et al. [34] in 2016 reported that the women who were the carriers of ATM variants have a breast cancer relative risk of 6.02 (90%CI: 4.58–7.42) by the age of 50 years old and 32.83 (90%CI: 24.55–40.43) by the age of 80 years old [34].