Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are mildly hyperinflated and there is chronic elevation of the right hemidiaphragm . Hyperlucency at the left lung apex corresponds to the known the bulla . The cardiac , hilar and mediastinal contours are normal . No pleural effusion or pneumothorax .
    OUTPUT:
    
Hyperinflated lungs with no evidence of acute cardiopulmonary process .