Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , without focal parenchymal opacities . Biapical pleural parenchymal scarring is identified . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Two sternotomy wires and vascular stent are unchanged in position . Possible slight loss of height of a lower thoracic vertebral body is stable since ___ .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .