- At the level of T4/ T5/ T6 it inclines towards the left crossing the midline behind the esophagus
- Lies on the left of the esophagus deep to arch of aorta
- Terminates by entering the left brachiocephalic vein.
- (+) Posterior mediastinal nodes
- (+) Small intercostals nodes
- (+) Left bronchomediastinal trunk
- (+) Left subclavian trunk
- (+) Left jugular trunk
Receives all the lymphatics below the diaphragm and the left side above the diaphragm.