Department;
of;
Digestive;
Surgery;
Edouard;
Herriot;
Hospital;
69437;
Lyon;
cedex;
03;
France;
Department;
of;
Colorectal;
Surgery;
Michallon;
Hospital;
38043;
Grenoble;
cedex;
Department;
of;
Medical;
Oncology;
Pavillon;
H;
69437;
Lyon;
Cedex;
03;