Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Globular enlargement of cardiac silhouette is unchanged and in keeping with known pericardial effusion . Dense left retrocardiac opacity is consistent with a combination of atelectasis and effusion as demonstrated on recent CT . Remainder of lungs are clear . Small right pleural effusion is also noted .
    OUTPUT:
    
1 . Large pericardial effusion . 2 . Moderate left pleural effusion with adjacent atelectasis . 3 . Small right pleural effusion .