Medically reviewed by Anju Goel, MD The thoracic spine is part of your spinal column and is composed of 12 bones that are ...

Each vertebra is numbered and grouped into 5 regions. Diagram. There are 7 cervical vertebrae in the cervical region. There are 12 thoracic vertebrae in the thoracic region. There are 5 lumbar ...

The dissection is carried posteriorly all the way to the transverse process of the T1 vertebra ... left transaxillary first rib resection for disabling neurogenic-arterial thoracic outlet syndrome.