This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vasculitis, Subject name: Medicine
A person presents with involvement of kidney and respiratory tract infection with granuloma formation. Most probable diagnosis is? 
Select and explain. 
A. Wagner's granulomatosis, B. Goodpasture syndrome, C. Tuberculosis, D. Sarcoidosis
A: Wagner's granulomatosis
Answer: A: Wagner's granulomatosis 
Explanation: ANSWER: (A) Wagner's granulomatosisREF: Harrison's Principles of Internal Medicine 17th ed chapter 319See previous question for explanation