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
Following tumorurs have the best prognosis ? 
Select and explain. 
A. Following tumorurs have the best prognosis ?, B. Carcinoma pancreas, C. Heptatoma, D. Cholangiocarcinoma of the CBD
C: Heptatoma
Answer: C: Heptatoma 
Explanation: Ans. is 'c' i.e. Heptatoma