Fig. 1From: Brachytherapy with Iodine-125 seeds for treatment of portal vein-branch tumor thrombus in patients with hepatocellular carcinomaa Contrast-enhanced CT of two 1-cm diameter tumor thrombi floating in the right segment of the portal vein. The preprocedural Treatment Planning System (TPS) was applied. b The needle (white arrow) punctured the proximal thrombus with ultrasound guidance. c The needle (white arrow) was placed in the distal thrombus. d Contrast-enhanced CT at the 1-month follow-up. Tumor response was evaluated as CR (black arrows)Back to article page