Inclusion Criteria:  Major patient Patient enrolled in a carcinological (group 1), bariatric (group 2) or non-bariatric non-carcinological (group 3) surgical pathway scheduled for visceral surgery.  Exclusion Criteria:  Refusal to participate Non proficiency in spoken French Protected persons (patients under guardianship, pregnant or breastfeeding women, persons deprived of liberty, persons unable to express their non-objection)