Adults aged ≥18 years undergoing major gastrointestinal elective surgery, including liver, pancreas, oesophagus, gastric and colorectal cancer resections with curative intent
Consulting with a gastrointestinal cancer surgeon at least 1 week prior to scheduled surgery
You may not be if
Cognitive impairment such that they are unable to provide informed consent
No access to a smart device (including mobile phone, tablet, laptop or desk computer with camera) or no internet connection
