Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated . There is mild superimposed pulmonary edema and a small - to - moderate left pleural effusion with probable associated compressive atelectasis . There is no pneumothorax . Cardiomediastinal and hilar contours are within normal limits . There is mild rightward curvature of the mid thoracic spine with compensatory leftward curvature of the thoracolumbar junction .
    OUTPUT:
    
Hyperinflated lung with superimposed mild pulmonary edema and a small - to - moderate left pleural effusion .