[1] Univ Paris 12, APHP, Hop Henri Mondor, Dept Gastrointestinal & Hepatobiliary Surg, F-94000 Creteil, France
[2] Univ Paris 12, APHP, Hop Henri Mondor, Dept Pathol, F-94000 Creteil, France
[3] Univ Paris 12, APHP, Hop Henri Mondor, Dept Radiol, F-94000 Creteil, France