This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which of the following is not a common site for mata static calcification 
Select and explain. 
A. Gastric mucosa, B. Kidney, C. Parathyroid, D. Lung
C: Parathyroid
Answer: C: Parathyroid 
Explanation: Metastatic calcification may occur widely through out the body but principally affects Interstitial tissues of gastric mucosa Kidney Lungs Systemic aeries Pulmonary veins