Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest are obtained . Midline sternotomy wires and mediastinal clips are noted . The patient is slightly rotated to the right . There is no focal consolidation , effusion , or pneumothorax . No signs of CHF . Cardiomediastinal silhouette appears normal . The imaged osseous structures appear intact . There is a subtle compression deformity involving the superior endplate in the lower thoracic spine seen on lateral view , age indeterminate .
    OUTPUT:
    
No acute intrathoracic process .