Mass size , location , characterization, vascularity , multifocal , multicentric disease , LNs and chest wall involvement.
US was able to detect masses in cases which on mammography showed only distortion and asymmetric density with distortion,proven by histologic examination to be residual ca.
Very safe effective reproducible easy method to guide intervention
Screening :Screening of young women below 30 years age having risk of breast cancer .
for more precise characterization of lesion