1 Department of Visceral, Metabolic and Cancer Surgery (CVMC), University of Lorraine, CHRU Nancy, Hopital Brabois adults, 11, allée du Morvan, 54511 Vandoeuvre-les-Nancy, France.
2 Department of Visceral, Metabolic and Cancer Surgery (CVMC), University of Lorraine, CHRU Nancy, Hopital Brabois adults, 11, allée du Morvan, 54511 Vandoeuvre-les-Nancy, France. Electronic address: l.brunaud@chru-nancy.fr.