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Tumor arterial enhancement did not predict response to embolization or overall survival. Examples show that hypervascular HCC can fail to respond to embolization, and hypovascular HCC can respond to embolization. A. 67-year-old male with HCC, which appears hypervascular on arterial phase CT. B. This tumor progressed after embolization. C. 62-year-old male with HCC, which appears hypovascular on arterial phase CT. D. This tumor appears necrotic after embolization.
