The thoracic spine is made up of 12 vertebrae—called T1 to T12—accompanied by 12 vertebral discs, and 12 pairs of spinal nerve roots also servicing the arms and hands as well as the chest ...

This condition involves a spinal curvature that was impacting 9-month-old Harper’s other organs, including her thoracic and lumbar ... the remaining portion of T12 which compressed the spinal ...