Aurelie Copin1,2, Samuel Jenard3, Emmanuel Chasse4. 1. Department of General Surgery, CH Epicura, Route de Mons 63, 7301, Hornu, Belgium. aureliiecopin@gmail.com. 2. , 1 Ruelle Léon Pavot, Péruwelz, Belgium. aureliiecopin@gmail.com. 3. Department of General Surgery, Hospital Marie-Curie, Chaussée de Bruxelles 140, 6042, Lodelinsart, Belgium. 4. Department of General Surgery, CH Epicura, Route de Mons 63, 7301, Hornu, Belgium.