Upfront surgery or neoadjuvant chemotherapy for colorectal liver metastases? A machine-learning decision-tree to identify the best potential policy. (April 2022) - Famularo, Simone; Milana, Flavio; Giuffrida, Mario; Cimino, Matteo; Procopio, Fabio; Costa, Guido; Franchi, Eloisa; Viganò, Luca; Donadon, Matteo; Torzilli, Guido