Department of Digestive Surgery and Liver Transplantation;
Toulouse-Rangueil University Hospital;
Department of Pathology;
Toulouse University Hospital;
Department of Radiology;
Toulouse-Rangueil University Hospital;
Department of Oncology;
Toulouse-Rangueil University Hospital;
The Toulouse Research Methodology Support Unit;
Toulouse University Hospital;
Colorectal; liver; metastasis; Tumor; regression; grade; Neoadjuvant; chemotherapy; Liver; surgery; Histological; response; Hepatectomy;