Mahmood I. Shafi is Consultant Gynaecological Surgeon & Oncologist, Department of Gynaecological Oncology, Addenbrooke's Hospital, Cambridge University Hospitals, Cambridge, UK. Helena Earl is Reader in Clinical Cancer Medicine and Honorary Consultant in Medical Oncology, University of Cambridge Department of Oncology, Addenbrooke's Hospital, Cambridge University Hospitals, Cambridge, UK. Li Tee Tan is Consultant Clinical Oncologist, Oncology Centre, Addenbrooke's Hospital, Cambridge University Hospitals NHS Trust, Cambridge, UK.