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Fig. 3A. —65-year-old man with liver metastasis from colon cancer and migration of catheter tip. Arteriogram via port obtained just after implantation shows that port-catheter system is correctly positioned. Microcoils were inserted into right hepatic artery that arose from superior mesenteric artery to convert two hepatic arteries into one (thin arrows). Distal lumen of indwelling catheter is occluded with microcoil (thick arrow).