Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Midline sternotomy wires and mediastinal clips are noted . Lungs are clear . No signs of pneumonia or CHF . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process . Please refer to subsequently performed CTA chest for further details .