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Fig. 4A —Common trunk of lower right bronchial artery in 55-year-old woman with bronchiectasis. Selective bronchial arteriograms obtained at levels of T5 (A) and T6 (B) show hypertrophied right bronchial arteries; upper right bronchial artery arises as intercostobronchial trunk (arrow, A) and lower artery (arrow, B) arises as common trunk with enlarged left bronchial artery (arrowheads, B).