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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



transarterial chemoembolization  listen  (tranz-ar-TEER-ee-ul KEE-moh-EM-boh-lih-ZAY-shun)

  A procedure in which the blood supply to a tumor is blocked after anticancer drugs are given in blood vessels near the tumor. Sometimes, the anticancer drugs are attached to small beads that are injected into an artery that feeds the tumor. The beads block blood flow to the tumor as they release the drug. This allows a higher amount of drug to reach the tumor for a longer period of time, which may kill more cancer cells. It also causes fewer side effects because very little of the drug reaches other parts of the body. Transarterial chemoembolization is used to treat liver cancer. Also called chemoembolization and TACE.