Initial experience of axillary lymph nodes enhancement in ultrasound after the injection of contrast media in women with breast cancer - Dellaportas, D; Vraka, I; Koureas, A.; Panourgias, E.; Psychogios, I; Galanis, P; Dalakidis, A; Gouliamos, A.; Antoniou, A. (European Congress of Radiology-ECR 2013, 2013)