system
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
A young man with pulmonary tuberculosis presents with massive recurrent hemoptysis. For angiographic treatment, which vascular structure should be evaluated first –
assistant
The correct answer is  "A wide variety of lung diseases may cause hemoptysis, including tuberculosis. The most common source of bleeding are bronchial arteries".