Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A disconnected left vagus nerve stimulator lead is in place . Chest : Cardiac , mediastinal , and hilar contours are within normal limits . There is no evidence for pulmonary consolidation , pulmonary edema , pleural effusion , or pneumothorax . There are endplate degenerative changes in the thoracic spine and a mild dextroconvex curvature in the upper thoracic spine . Neck : The contours of the aerodigestive tract are unremarkable . There are multilevel degenerative changes in the cervical spine , including minimal retrolisthesis at C3 - C4 and C4 - C5 , and bilateral uncovertebral spurring from C4 - C5 through C6 - C7 .
    OUTPUT:
    
1 . A disconnected left vagus nerve stimulator lead is in place . 2 . Degenerative changes in the cervical and thoracic spine .