APCA | origin | destination | n** |
---|---|---|---|
direct | descending aorta | whole right or left lung | 7 |
 |  | upper lobe | 5 |
 |  | lower lobe and middle lobe | 2 |
 |  | lower lobe | 3 |
 |  | pulmonary artery * | 2 |
 |  | lower lobe and lingula | 1 |
 | aortic arch | lower lobe and middle lobe | 1 |
 |  | lower lobe | 1 |
indirect | subclavian artery | right and left lung via confluent pulmonary arteries * | 1 |
 |  | upper lobe | 5 |
 | left coronary artery | lower lobe | 1 |
 | coeliac trunc | lower lobe | 2 |
from the ascending aorta | Â | lower lobe | 1 |
 |  | lower lobe and lingula | 1 |