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Fig. 1H —Four types of catheter placement methods. 56-year-old-man with liver metastases from rectal cancer. Arteriogram via catheter-port system shows catheter implantation using long tapered catheter placement method. Long tapered catheter loop is inserted distally into hepatic artery, with side hole placed in proper hepatic artery. Right gastric artery is embolized by coils (arrow). In addition, right inferior phrenic artery (arrowheads), which has parasitic blood supply to liver, is occluded using mixture of N-butyl cyanoacrylate and iodized oil.