 The investigators wish to deliver a module based colonoscopy training programme to surgical trainees PGY1, 2 and 3 - Danish equivalents: introduktionsstilling, hoveduddannelse 1, 2. The programme will consist of a theoretical session, a two day simulator course aimed at basic scope handling and a number of days clinical training. 3 days supervised training supervisor present in the colonoscopy room - approximately twenty colonoscopies. And 6 days with the possibility of supervision at short notice - approximately 50 colonoscopies. 