Applicability of 3D Printing and 3D Digital Image Reconstruction in the Planning of Complex Liver Surgery (LIV3DPRINT).

Inclusion Criteria

• •Complex liver tumors (bilobar disease, infiltration of suprahepatic veins or requiring two-time resection or intrahepatic vascular reconstruction).
• •Preoperatively was performed, a CT scan and / or MRI of all patients were performed to document the tumor distribution, estimate remaining liver volume, and identify tumor-vessel relationships in order to know the intraoperative vascular anatomy.