This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sarcoidosis, Subject name: Medicine
Garland sign on CXR in sarcoidosis involves all except:- 
Select and explain. 
A. Right paratracheal nodes, B. Right hilar nodes, C. Left hilar nodes, D. Left pretracheal lymph nodes
D: Left pretracheal lymph nodes
Answer: D: Left pretracheal lymph nodes 
Explanation: Garland's triad (also known as the 1-2-3 sign or Pawn brokers sign) is a lymph node enlargement pattern which has been described in sarcoidosis. It comprises of 1.Right paratracheal nodes 2.Right hilar nodes 3.Left hilar nodes