Nonmodifiable:

– Female

– Age > 55

– BRCA inheritance: Should I get genetic testing?

– Lobular carcinoma in situ

– High-risk breast disorders (ex: ADH, LN)

– 1st degree relative with h/o breast cancer

– Increased estrogen action on breast tissue (ex: late menopause)

Modifiable:

– Post-menopausal combined HRT

– Alcohol

– Nulliparity or 1st child born after age 30

MALIGNANT BREAST DISORDERS:

Epidemiology and Risk Factors