What is CMI ? Cancer microsphere intervention (CMI) means a strategy of transarterial infusion of microspheres into tumor.Transarterial chemoembolization (TACE) is a most used option of CMI. TACE is a form of intra-arterial catheter-based chemotherapy that selectively delivers high doses of cytotoxic drug to the tumor bed combining with the effect of ischemic necrosis induced by arterial embolization. Chemoembolization and radioembolization are at the core of the treatment of liver hepatocellula