Fig. 2

Scheme presenting the five most common variations in the arrangement and number of bronchial arteries established in this meta-analysis. RBA right bronchial artery, LBA Left bronchial artery, DA descending aorta, BCT Brachiocephalic trunk, RSA right subclavian artery, RCCA right common carotid artery, LCCA Left common carotid artery, LSA Left subclavian artery.