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: Radiology
Well defined lesion in the lung with pop corn calcification on X-ray is suggestive of: 
Select and explain. 
A. Ca lung, B. Adenoma, C. Hamaoma, D. Hvdatid cyst
C: Hamaoma
Answer: C: Hamaoma 
Explanation: Ans. Hamaoma