Affiliation: | 1. Department of General Surgery, Port Macquarie Base Hospital, Port Macquarie, New South Wales, Australia;2. Department of General Surgery, John Hunter Hospital, Newcastle, New South Wales, Australia;3. Department of General Surgery, Port Macquarie Private Hospital, Port Macquarie, New South Wales, Australia;4. Mid North Coast Cancer Institute, Port Macquarie Base Hospital, Port Macquarie, New South Wales, Australia |