1. Department of Radiology, European Institute of Oncology, Milan, Italy
2. Department of Radiology, Istituti Ospitalieri of Cremona, Cremona, Italy
3. Department of Pathology and Laboratory Medicine, European Institute of Oncology, Milan, Italy
4. Department of Gynecology, European Institute of Oncology, Milan, Italy
5. School of Medicine, University of Milan, Milan, Italy