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Transcatheter hepatic artery embolization was performed in 120 patients with unresectable hepatoma. The cumulative one-year survival rate was 44%. In most cases follow-up angiography revealed the selective disappearance of tumor vessels, and computed tomography demonstrated a marked decrease in tumor density without any changes in the surrounding liver parenchyma. Histologic examination in 14 cases confirmed these findings.
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Yamada et al. (1983) studied this question.
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