Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is a moderate to large right - sided pleural effusion . There is also moderate left pleural effusion as well . There is no pneumothorax . Cardiomediastinal silhouette is difficult to assess . Superiorly the lungs are clear .
    OUTPUT:
    
Moderate to large right and moderate left pleural effusion . Probable underlying atelectasis noting infection is not excluded .