Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal and hilar contours are normal . There is no pneumothorax . The lungs are clear of consolidation ; right apical suture material is present . Small right - sided pleural effusion is present , similar in extent to prior study .
    OUTPUT:
    
Small right pleural effusion but no pneumothorax .