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Chemoembolization - A type of regional chemotherapy treatment in which chemotherapy medication is delivered directly into blood vessels that feed a tumor in order to embolize (or block) blood flow to the tumor and/or surrounding tissue. Without a blood supply, the tumor no longer has the oxygen and nutrients it needs to grow. Chemoembolization may allow high doses of chemotherapy drugs to be targeted directly to cancerous tumors for a longer period of time, without exposing the entire body to the effect of these drugs. Chemoembolization is most commonly used in the treatment of liver cancer.
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