Axialcontrast-enhanced CT image of the chest just below thoracic inlet shows comminuted T4 vertebral body fracture (arrow) and abnormal high-density soft tissue (arrowheads) in the paraspinous region, posterior mediastinum, and extending into the middle mediastinum, displacing the trachea (t) and great vessels anteriorly.

Posterior mediastinal hematoma, neurogenic tumor, osteomyelitis.