- Mammography is the standard screening tool for breast cancer and should start at age 40 for asymptomatic women. Ultrasound may be used for screening high risk patients or to further evaluate abnormalities found on mammogram. - Common breast cancer symptoms include palpable masses, nipple discharge, and breast pain. Evaluation depends on patient age and symptoms, but may involve mammogram, ultrasound, MRI, or biopsy. - Risk factors include increasing age, family history, personal history of breast cancer or high-risk conditions. Early detection through screening and treatment of breast cancer have improved survival rates.