| Affiliation: | 1. Department of Upper Gastrointestinal Surgery, Royal North Shore Hospital, Sydney, New South Wales, Australia;2. Discipline of Surgery, The University of Sydney, Sydney, New South Wales, Australia;3. Cancer Diagnosis and Pathology Group, Kolling Institute of Medical Research, Sydney, New South Wales, Australia;4. Deparment of Anatomical Pathology, Royal North Shore Hospital, Sydney, New South Wales, Australia;5. Macquarie University Hospital, Macquarie University, Sydney, New South Wales, Australia |
