Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP chest radiograph . Left - sided pigtail drain has been removed . Moderate layering left pleural effusion with adjacent atelectasis is stable to slightly improved . Trace right pleural effusion is noted . There is no pneumothorax . Moderate cardiomegaly is stable .
    OUTPUT:
    
Stable moderate left pleural effusion . No pneumothorax after removal of pleural drain .