CYP19A1 and breast carcinoma: cIBS, pericardium calibrated integrated backscatter; BMI, body mass index; bc, breast cancer; Hypertension, use of hypertension medication; ASA, low dose acetylsalicylic acid; Diabetes, use of diabetes medication; ACE angiotensin converting enzyme inhibitor; ARB, angiotensin II receptor blocker; AI aromatase inhibitor use.