This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fundamentals in Radiology, Subject name: Radiology
[{'content': "1-2-3 sign or Pawnbrokers sign is seen in \nSelect and explain. \nA. Kaposi sarcoma, B. Sarcoidosis, C. Castleman's disease, D. Wegners Granulomatosis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Garland triad, also known as the 1-2-3 sign or Pawnbrokers sign, is a lymph node enlargement pattern which has been described in Sarcoidosis: Right paratracheal nodes; Right hilar nodes and Left hilar nodes. Hilar lymphadenopathy is symmetrical and usually massive.', 'role': 'assistant'}]