Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . The lungs are relatively hyperinflated with flattening of the diaphragms . There is no effusion or focal consolidation . The cardiac silhouette is upper limits of normal . Dual - lead pacing device seen with lead tips in the right ventricular apex and right ventricle . Aortic valve replacement is identified as well as median sternotomy wires and mediastinal clips . Small hiatal hernia is suspected . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .