Fig. 1From: Urgent intraoperative endovascular stent placement to resolve acute hepatic or portal venous obstruction during liver surgery: a case seriesPreoperative computed tomography images (Case 1). a A metastatic tumor (arrows) involved the root of the MHV and left hepatic vein (LHV). The root of the RHV was intact. b Veno-venous communications between the MHV and RHV (arrowheads) that had developed as a result of MHV obstruction by tumor invasionBack to article page