Supreme intercostal vein


The supreme intercostal vein is a paired vein that drains the first intercostal space on its corresponding side.
It usually drains into the brachiocephalic vein. It can also drain into the superior intercostal vein, or the vertebral vein of its corresponding side.

Clinical significance

This vein does not have valves, this is an important point when it comes to spread of cancerous secondaries.

Additional images