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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.
user
The normal carinal angle at the tracheal bifurcation is around?
assistant
The correct answer is  Ans CCarinal angle is influenced by indentation from adjacent structures/lesions on the tracheal bifurcation. Normally it is 60 to 75 degrees. Any mass at carina like duplication cysts or left atrial enlargement results in widening of the angle.