Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The hilar and mediastinal contours are within normal limits . The lungs are hyperinflated . There is no focal consolidation . There is a small left pleural effusion . There is no pneumothorax .
    OUTPUT:
    
1 . No radiographic evidence of an acute cardiopulmonary process . 2 . Stable small left pleural effusion .