Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires are again noted . Lungs are clear . Cardiomediastinal silhouette is stable . No effusion or pneumothorax . No convincing signs of edema . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .