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: 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: Ans. is 'd' i.e., Left pretracheal lymph nodes Bilateral hilar lymphadenopathy with right paratracheal nodal enlargement is classic for sarcoidosis and is referred to as the 1-2-3 sign or Garland triad. Garland's triad (also known as the 1-2-3 sign or Pawnbrokers sign) of Sarcoidosis Right paratracheal nodes Right hilar nodes Left hilar nodes