[1] Amiens Univ Hosp, Dept Digest & Oncol Surg, Ave Rene Laennec, F-80054 Amiens 01, France
[2] Jules Verne Univ Picardie, Amiens, France
[3] Jules Verne Univ Picardie, INSERM, Unit U1088, Amiens, France
[4] Amiens Univ Hosp, Dept Pathol, F-80054 Amiens 01, France
[5] Amiens Univ Hosp, Dept Gastroenterol & Hepatol, F-80054 Amiens 01, France
[6] Jules Verne Univ Picardie, EA4294, Amiens, France
[7] Amiens Univ Hosp, Clin Res Ctr, F-80054 Amiens 01, France