Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ankle hyperinflated . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal . Aortic knob calcification is seen . There may be a hiatal hernia . No displaced fracture seen .
    OUTPUT:
    
No acute cardiopulmonary process .