1. Department of Gynaecological Oncology, The Royal Wolverhampton NHS Trust, WV10 0QP Wolverhampton, UK
2. University of Birmingham Medical School, B15 2TT Birmingham, UK
3. Department of Pathology, Glan Clwyd Hospital, LL18 5UJ Bodelwyddan, UK
4. Department of Radiology, Royal Shrewsbury Hospital, SY3 8XQ Shrewsbury, UK