Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is enlarged and slightly globular however is not significantly changed in size from the prior examination . Retrocardiac opacity is again demonstrated and not significantly changed , likely reflecting atelectasis and a small effusion . Small rounded lucencies project over the lateral right lung and may represent small loculated air pockets , possibly in the pleural space . No large pneumothorax .
    OUTPUT:
    
Status post pericardial drain removal . Left basal opacity likely represents atelectasis and in effusion , not significantly increased from the prior examination . Small rounded lucencies projected over the lateral left base may represent small loculated air pockets in the pleural space status post drain removal . Attention on followup exam .