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
Characteristic radiological finding in sarcoidosis 
Select and explain. 
A. Parenchymal disease, B. Bilateral hilar lymphadenopathy, C. Unilateral hilar lymphadenopathy, D. Miliary shadow
B: Bilateral hilar lymphadenopathy
Answer: B: Bilateral hilar lymphadenopathy 
Explanation: None