Steve Yee Chiang Lau1, Suat Chin Ng2, Manoj Anandan1, Darrin Goodall-Wilson3. 1. Department of Surgery, University Hospital Geelong, Geelong, Victoria, Australia. 2. Department of Surgery, Eastern Health, Melbourne, Victoria, Australia. 3. Department of Surgery, St John of God Geelong, Geelong, Victoria, Australia.