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
[{'content': 'Garland sign on CXR in sarcoidosis involves all except:- \nSelect and explain. \nA. Right paratracheal nodes, B. Right hilar nodes, C. Left hilar nodes, D. Left pretracheal lymph nodes', 'role': 'user'}, {'content': "Answer: D \nExplanation: 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", 'role': 'assistant'}]