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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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Extra-aicular manifestations of RA -
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The correct answer is  Although Rheumatoid ahritis is a symmetric polyaicular ahritis there are also many extra aicular manifestations like scleritis, pericarditis, and pulmonary fibrosis etc. The clinical features of Rheumatoid ahritis is highly variable. Ref: Robbins basic pathology 9th edition page no 785,786