1. Paris Descartes University, Department of Digestive Oncology, European Georges Pompidou Hospital, Assistance Publique-Hôpitaux de Paris, France
2. Paris Descartes University, Department of Digestive Oncology, European Georges Pompidou Hospital, Assistance Publique-Hôpitaux de Paris, France2Centre de Recherché UMR-S 1147, Médecine Personnalisée, Pharmacogénomique, Optimisation Thérapeutique, Institut
3. Department of Statistics, Fédération Francophone de Cancérologie Digestive, Dijon, France
4. Department of Pathology, Ambroise Paré Hospital, Assistance Publique–Hôpitaux de Paris, Boulogne-Billancourt, France5Versailles Saint-Quentin-en-Yvelines University, Boulogne-Billancourt, France
5. Centre de Recherché UMR-S 1147, Médecine Personnalisée, Pharmacogénomique, Optimisation Thérapeutique, Institut National de la Santé et de la Recherche Médicale, Paris, France6Paris Descartes University, Department of Biology, European Georges Pompidou Ho
6. Department of Oncology, Sainte Catherine Institute, Avignon, France
7. Department of Oncology, Cancérologie de l’Ouest Institute, Nantes, France
8. Medical Oncology Department, Vall d’Hebron University Hospital and Institute of Oncology, Barcelona, Spain
9. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
10. First Medical Department, University Hospital Carl Gustav Carus, Dresden, Germany
11. Department of Gastroenterology, Erasme Hospital University, Brussels, Belgium
12. Department of Hepato-Gastroenterology, Dijon University Hospital, Dijon, France14Centre de Recherche UMR 866, Lipides, Nutrition, Cancer, Institut National de la Santé et de la Recherche Médicale, Dijon, France