Complete brachial plexus (C5–T1) avulsion from the spinal ... were restored and reconnected to all five avulsed ventral roots by means of spinal cord medullary implantation of peripheral nerve ...

At the level of the first rib, the lower cervical nerve roots combine to form the 3 trunks of the brachial plexus. The lowest trunk is formed by the union of C8 and T1, and this trunk lies ...