Tumor progression in two-stage liver resections—is the shorter inter-stage period in associated liver partition and portal vein ligation for staged hepatectomy (ALPPS) of benefit to the patient?

A two-stage liver resection is a surgical option in patients with bilobar liver tumors in whom a single procedure is not feasible because of insufficient functional volume of the future liver remnant. The use of unilateral portal vein occlusion, such as portal vein embolization, induce hypertrophy of the future liver remnant in order to enable subsequent resection.