The current standard in screening for breast cancer is mammography. However, this imaging tool misses some breast tumors, especially in women with dense breasts. Published data suggests that sonography can play an important role in detecting tumors that mammography misses. In fact, over 94% of cancers seen only on ultrasound were invasive tumors with average size of 10 mm, and in the studies where staging was detailed, 91% were node negative, meaning it had not spread and complete cure was possible due to early detection. (MORE)