Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate minimal bilateral pleural effusions , not significantly changed since the prior radiograph . Otherwise , the lungs are clear . The cardiac and mediastinal contours are normal . No other pleural abnormality is detected .
    OUTPUT:
    
Minimal bilateral pleural effusions , not significantly changed since the prior examination . These findings were relayed to Dr . ___ , at 5 :01 p .m . on the day of the examination .