1 Department of general, digestive and endocrine surgery, Robert-Debré Hospital, University Centre Hospital of Reims, Reims, France; University of Champagne-Ardenne, Reims, France; Anatomy Laboratory of the Reims-Champagne-Ardenne, Faculty of Medicine, Reims, France. Electronic address: rrhaiem@chu-reims.fr.
2 Department of general, digestive and endocrine surgery, Robert-Debré Hospital, University Centre Hospital of Reims, Reims, France; University of Champagne-Ardenne, Reims, France.
3 Department of general, digestive and endocrine surgery, Robert-Debré Hospital, University Centre Hospital of Reims, Reims, France; University of Champagne-Ardenne, Reims, France; Anatomy Laboratory of the Reims-Champagne-Ardenne, Faculty of Medicine, Reims, France.