Inclusion and exclusion criteria
| Inclusion criteria | Exclusion criteria | |
| Population | Adult patients with surgical pathologies of stomach and oesophagus | Non-surgical patients and pathologies, paediatric patients (<16 years old) |
| Context | Oesophagogastric surgical practice and surgical education, all environments considered from lab to theatre | Nil |
| Concept | All forms of 3D reconstruction, 3D modelling and 3D printing applied to surgical practice | 3D reconstruction technologies not applicable to surgical practice |
| Studies | All forms of studies published in peer-reviewed literature | Nil |
3D, three-dimensional.