Figure 8a. Drawings illustrate embolization of high-flow collateral veins in a type B-3 gastric varix. (a) EOI injected via a balloon catheter. The EOI flows into the collateral veins (arrows). (b) Coil embolization of the collateral draining veins with a microcatheter. (c) Selective injection of EOI after coil embolization of the collateral draining veins.