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Figure 6. Graphs shows indocyanine green clearance before and after embolization. The serum clearance rate of indocyanine green was measured as described in Materials and Methods. The clearance rates immediately before (Pre-embo) and after (Post-embo) embolization are shown for animal 4 (A) and animal 7 (B). • = clearance before embolization, = clearance less than 1 hour after occlusion of the portal vein branches supplying 60%–70% of the liver.