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: Surgery
Which of the following is not a tumor marker for hepatocellular carcinoma 
Select and explain. 
A. AFP, B. PIVKA II, C. CEA, D. Glycipin 3
C: CEA
Answer: C: CEA 
Explanation: CEA is raised in colon ca.