Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate left pleural effusion is unchanged and a small right pleural effusion is smaller in comparison to chest radiograph ___ . The heart size is mildly enlarged . Focal atelectasis associated with the patient 's moderate left pleural effusion is noted on the lateral view . Patient is status post median sternotomy with wires intact .
    OUTPUT:
    
No evidence of pneumonia . A moderate left pleural effusion is unchanged and a small right pleural effusion is mildly decreased in comparison to ___ .