Colorectal Liver Metastases in Contact with Major Intrahepatic Vessels. Does Shrinkage during Chemotherapy Correspond to a Modification of Tumor-vessel Relationship?. (2021) - Franchi, E.; Vigano', L.; Terrone, A.; Costa, G.; Cimino, M.; Procopio, F.; Del Fabbro, D.; Torzilli, G.