Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There are no changes of the small left - sided pleural effusion , stable since yesterday . Lung is otherwise clear , without consolidation or nodule . Cardiomediastinal silhouette is normal . There is no pneumothorax .
    OUTPUT:
    
No changes of the left - sided pleural effusion .