Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest were acquired . The lungs are clear , but hyperinflated . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
Clear lungs , although hyperinflation raises the possibly of an asthma attack as the underlying cause of dyspnea ; clinical correlation is advised . Findings were discussed with Dr . ___ by Dr . ___ at 8 :51 a .m . via telephone on ___ .