This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Anatomy
In polyaeritis nodosa lesions are seen in all except 
Select and explain. 
A. Lung, B. Pancreas, C. Liver, D. Hea
A: Lung
Answer: A: Lung 
Explanation: Refer robbins 9/e 511 Polyaeritis nodosa typically involving necrotizing inflammation typically involving renal aeries sparing pulmonary vessels