1Department of Radiology, University Hospital Antwerp, Wilrijkstraat 10, 2650 Wilrijk, Belgium2Department of Radiology, O.L.V. Hospital, Moorselbaan 16, 9300 Aalst, Belgium3Department of Pathology, O.L.V. Hospital, Moorselbaan 16, 9300 Aalst, Belgium4Department of Gynaecology, O.L.V. Hospital, Moorselbaan 16, 9300 Aalst, Belgium5Department of Radiotherapy and Oncology, O.L.V. Hospital, Moorselbaan 16, 9300 Aalst, Belgium