[1] Lyon Univ Hosp, Dept Hepatobiliopancreat Surg & Transplantat, Lyon, France
[2] Strasbourg Univ Hosp, Dept Surg, Strasbourg, France
[3] Nantes Univ Hosp, Dept Surg, Nantes, France
[4] Strasbourg Univ Hosp, Dept Pathol, Strasbourg, France
[5] Nantes Univ Hosp, Dept Pathol, Nantes, France
[6] Lyon Univ Hosp, Dept Pathol, Lyon, France
[7] Lyon Univ Hosp, Dept Radiotherapy, Lyon, France