Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Lungs remain hyperinflated with attenuation of the pulmonary vascular markings towards the apices suggestive of mild emphysema . Minimal atelectasis is seen in the lung bases without focal consolidation . No pleural effusion or pneumothorax is present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .