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: Pathology
Metastatic calcification is most commonly seen in - 
Select and explain. 
A. Cornea, B. Extensor tendon, C. Lungs, D. Renal tubules
C: Lungs
Answer: C: Lungs 
Explanation: Ans. is 'c' i.e., Lung