This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
All are curative treatment modalities for hepatocellular carcinoma, EXCEPT: 
Select and explain. 
A. Trans Aerial Chemoembolization (TACE), B. Radiofrequency ablation, C. Percutaneous Ethanol Injection, D. Resection
A: Trans Aerial Chemoembolization (TACE)
Answer: A: Trans Aerial Chemoembolization (TACE) 
Explanation: Hepatic aery obstruction is performed during an angiographic procedure and is known as transaerial, or transcatheter aerial embolization (TAE). When TAE is combined with the prior injection into the hepatic aery of chemotherapeutic agents, usually mixed with lipiodol, the procedure is known as transaerial chemoembolization (TACE). TACE is a palliative therapy for HCC. Ref: 2011 AASLD practice guidelines, Management of hepatocellular carcinoma.