Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lungs are hyperinflated suggesting emphysema . No focal consolidation , pleural effusion or pneumothorax is identified . A rounded opacity projecting over the right midlung on the frontal view is most consistent with overlapping structures .
    OUTPUT:
    
No acute cardiopulmonary process .