Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild hyperlucency of the lung apices may reflect COPD . Heart is top normal . The mediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . There is no focal airspace consolidation to suggest pneumonia .
    OUTPUT:
    
No acute cardiopulmonary abnormality . COPD .