1. 2nd Department of Clinical Radiology, Medical University of Warsaw, Banacha 1a Street, 02-097 Warsaw, Poland
2. 2nd Department of Obstetrics and Gynecology, Medical University of Warsaw, Karowa 2 Street, 00-315 Warsaw, Poland
3. Department of Radiology I, Maria Sklodowska-Curie Memorial Cancer Center, Institute of Oncology, Roentgena 5 Street, 02-781 Warsaw, Poland