Julien Jarry1, Thierry Peycru2, Manu Shekher3, Jean Luc Faucheron4. 1. Department of Digestive Surgery, Military Hospital Desgenettes, Lyon, France. 2. Department of Digestive Surgery, Military Hospital Robert Picqué, Bordeaux, France. 3. Emergency Medicine, St Vincent's Medical Center, Bridgeport, Connecticut. 4. Department of Colorectal Surgery, University Hospital, Grenoble, France.