OP07.01: Ultrasound characteristics of serous borderline ovarian tumors, non-invasive low-grade, invasive low-grade and high-grade serous carcinomas. - Cinzia, B.; Mascilini, F.; Maria Cristina, M.; Ludovisi, M.; Mainenti, S.; Fuoco, G.; Zannoni, G.; Scambia, G.; Testa, A.C. (Ultrasound in Obstetrics & Gynecology, 2015)