Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Eventration of the right hemidiaphragm again noted . The lungs appear clear without focal consolidation , effusion or pneumothorax . The cardiomediastinal silhouette appears normal . Bony structures appear intact . Prominent anterior osteophytes in the thoracic spine likely account for prevertebral opacity .
    OUTPUT:
    
No acute findings . Prominent anterior osteophytosis in the thoracic spine likely accounts for prevertebral opacity seen on prior imaging study .