BRCA1 and breast carcinoma: Models were adjusted for age at time of contrast-enhanced mammogram, year of contrast-enhanced mammogram, square root of breast fat area, BRCA1/BRCA2 variations (negative, positive, or not tested), history of lobular carcinoma in situ, age at menarche (<13 vs ≥13 years), menopausal status at the time of contrast-enhanced mammogram (premenopausal, postmenopausal), and first-degree family history of breast cancer.