Explain chemoembolization and how it is used to treat liver cancer.
Chemoembolization is a common treatment for cancer. Chemotherapeutic drugs are injected into the artery that supplies tumor within the liver. Artery is blocked off; this deprives the tumor of oxygen and nutrients. The dose of chemotherapy is a lot higher at tumor sire because of direct injection. The direct injection decreases the side effects of chemotherapy because drug is at the site instead of traveling throughout the body. The liver has a two way blood supply, the main blood supply being the hepatic artery. The hepatic artery is blocked off and the liver will then receive most of its blood supply from the portal vien.