Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lungs are hyperexpanded , consistent with known diagnosis of COPD . Previously described nodular opacities are better seen on prior chest CT from ___ . No focal consolidation concerning for pneumonia is present . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary findings .