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
CANCA is associated with ? 
Select and explain. 
A. Wegener's granulomatosis, B. Microscopic polyangitis, C. Chrug strauss syndrome, D. Good pasture syndrome
A: Wegener's granulomatosis
Answer: A: Wegener's granulomatosis 
Explanation: Ans. is 'a' i.e., Wegener's granulomatosis