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Fig. 1C —Four types of catheter placement methods. Schematic diagram shows
original fixed catheter tip method: 5-French side-hole catheter is implanted
in hepatic artery, with side hole of catheter placed in common hepatic artery
and distal catheter shaft fixed within gastroduodenal artery by coils
(straight arrows). Inside lumen of tapered catheter tip is occluded
using microcoil (curved arrow). Right gastric artery is embolized
using coils (arrowhead).