Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen bibasilar atelectasis . No large pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable . Status post median sternotomy and CABG . Midline tracheostomy tube again seen . Interval removal of a right internal jugular central venous catheter . No pulmonary edema .
    OUTPUT:
    
Re - demonstrated basilar atelectasis . No new focal consolidation to suggest pneumonia . Persistent cardiomegaly .