1 Department of Interventional Radiology, Westmead Hospital, Westmead, New South Wales, Australia. Electronic address: julesharvey@gmail.com.
2 Department of Tissue Pathology and Diagnostic Oncology, Institute of Cellular Pathology and Molecular Research, Westmead Hospital, Westmead, New South Wales, Australia.
3 Department of Surgery, Westmead Hospital, Westmead, New South Wales, Australia; Specialty of Surgery, Faculty of Medicine and Health, University of Sydney, Sydney, Australia.