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Fig. 5A —Left bronchial artery aneurysm in 31-year-old man with chronic destructive tuberculosis in both upper lobes. Patient had previously undergone right bronchial artery embolization. Mediastinal window transaxial CT scan (1.25-mm thickness) obtained at level of azygos arch shows aneurysmal dilatation (solid arrow) of left bronchial artery. Also note enlarged branches of right bronchial artery (arrowheads) and calcified lymph nodes (open arrows) in right lower paratracheal area.