Affiliation: | Department of Gastro-Enterology, Paoli-Calmettes Institute, Marseilles, France;† Department of Surgical Oncology, Paoli-Calmettes Institute, Marseilles, France;†† Department of Statistic, Paoli-Calmettes Institute, Marseilles, France;‡ Department of Pathology, Paoli-Calmettes Institute, Marseilles, France;* Department of Radiation Oncology, Paoli-Calmettes Institute, Marseilles, France;** Department of Medical Oncology, Paoli-Calmettes Institute, Marseilles, France |