Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is small left pleural effusion . Displaced fractures are identified at left fourth and fifth ribs laterally . There is associated pleural thickening focally . There is no consolidation or pneumothorax . Cardiomediastinal and hilar silhouettes are normal size .
    OUTPUT:
    
Left pleural effusion is small . Displaced fractures at left fourth and fifth ribs are identified .