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: Radiology
B/L symmetrical Hilar lymphnode seen in: 
Select and explain. 
A. Sarcoidosis, B. Tuberculosis, C. Leprosy, D. Wegener's granulomatosis
A: Sarcoidosis
Answer: A: Sarcoidosis 
Explanation: Ans. Sarcoidosis