12. Data privacy that have been collected according to the patients consent, particularly results, underlie discretion and the data privacy assignation. They will be recorded and saved in paper format and data medium in the Asklepios clinic Barmbek, department of general and visceral surgery. The use of these Data is carried out pseudonymously. A transmission of the data for research purposes will also be done pseudonymously. The same rule applies to publication of the study- and scientific results.