Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 02 :56 is submitted .
    OUTPUT:
    
Feeding tube and right internal jugular central line unchanged in position . Patient is status post median sternotomy for CABG with stable postoperative cardiac and mediastinal enlargement . There is increasing consolidation at the left base which would be concerning for developing pneumonia or aspiration . No pulmonary edema or pneumothorax .