The Usefulness of Patch Repair Using the Repermeabilized Umbilical Vein of the Round Ligament for Hepatobiliary Malignancies

Background Patients with tumors invading major veins may require combined resection and reconstruction. However, venous reconstruction often demands complex hepatobiliary and vascular surgical procedures. In this study, we report a simple patch repair technique for venous reconstruction using the repermeabilized umbilical vein of the round ligament.