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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Egg shell calcifiaction of the hilar nodes is seen in-
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The correct answer is  Eggshell calcification is a radiographic term describing abnormal hilar or mediastinal lymph nodes. According to Fraser and Pare, "Eggshell calcification is uncommon; it consists of a ring of calcification around the periphery of a lymph node and occurs most typically in silicosis. Ref Davidson 23rd edition pg 599