Sylvain Manfredi1, Antoine Drouillard2. 1. Hepato-Gastroenterology and Digestive Oncology Department, Digestive Cancer Registry, University Hospital Dijon, INSERM U866, Dijon 21000, France. Electronic address: sylvain.manfredi@chu-dijon.fr. 2. Hepato-Gastroenterology and Digestive Oncology Department, Digestive Cancer Registry, University Hospital Dijon, INSERM U866, Dijon 21000, France.