B Noiret1, N Bakrin2,3, C Eveno4,5. 1. Department of Digestive and Oncological Surgery, Claude Huriez University Hospital, Lille, France. 2. Department of Surgical Oncology, Centre Hospitalier Lyon Sud, Pierre-Bénite, France. 3. EMR 3738, Faculte de Medecine et de Maieutique Lyon-Sud Charles Merieux, Lyon 1 University, Lyon, France. 4. Department of Digestive and Oncological Surgery, Claude Huriez University Hospital, Lille, France. clarisse.eveno@chru-lille.fr. 5. UMR-S1277 - CANTHER Laboratory "Cancer Heterogeneity, Plasticity and Resistance to Therapies", Lille, France. clarisse.eveno@chru-lille.fr.