This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Imaging of Interstitial Lung Disease, Subject name: Radiology
[{'content': 'Egg Shell Calcification" in chest X ray is seen in? \nSelect and explain. \nA. Silicosis, B. Sarcoidosis, C. Treated Lymphoma, D. All above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) All aboveREF: Chapman 4th ed p. 148EGG SHELL CALCIFICATION:SilicosisPneumoconiosisSarcoidosisLymphoma following radiotherapyTB, Histoplasmosis, BlastomycosisAmyloidosis', 'role': 'assistant'}]