via yroend track
.{&
CISA
Sourccs
1. Lung
2. InicfCosial ve55eis
3. Internal Ihcracic finiornai mammary) artory
4. Tnoracicoacrcmial | artory
5. Latoral thoracic artery
6. Wodiasliftfll great yesseis
7. Heart
8. Apdommal structures <livcr. spleen) via Ciaphragm