Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest film ___ at 07 : 20 is submitted .
    OUTPUT:
    
Interval extubation with removal of the nasogastric tube as well . Right internal jugular central line , mediastinal drains and left chest tube remain in place . Stably enlarged cardiac and mediastinal contours in this postoperative patient status post median sternotomy . Residual but improved mild pulmonary edema . No pneumothorax is appreciated .