Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of ET tube , NG tube , chest tube and mediastinal drains , and right IJ catheter . Median sternotomy wires intact . Right IJ sheath still ends in the upper SVC . Normal unchanged postoperative appearance of cardiomediastinal silhouette with resolution of pneumopericardium . Decreased retrocardiac atelectasis . No pneumothorax or large pleural effusions . Tortuous aorta .
    OUTPUT:
    
Mild retrocardiac atelectasis decreased compared to ___ .