Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without focal consolidation , effusion or pneumothorax . Cardiomediastinal silhouette appears grossly unremarkable . Mild thickening of the right peritracheal stripe correlates with prominent vasculature on CTA performed same day . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .