Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate no significant interval change compared to prior radiograph . Again seen , is elevation of the left hemidiaphragm and a small left pleural effusion . The lungs are clear . There is no pneumothorax . The mediastinal and hilar contours are stable . Clips are noted in the left midlung field .
    OUTPUT:
    
No significant interval change . Small left pleural effusion .