<prompt> A young man with T.B presents with massive reccurere haemoptysis. For angiography treatment which vascular structure should be evaluated firstPulmonary aeryBronchial aeryPulmonary veinSuperior vena cava  <response>: More significant hemoptysis can result from the proximity of the bronchial aery and vein to the air-way, with these vessels and the bronchus running together in what is often referred to as the bronchovascular bundle. Ref Harrison 19th edition pg 245-246 