Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph ___ at 05 :05 is submitted .
    OUTPUT:
    
The heart remains markedly enlarged . There is increasing consolidation at the left lung base concerning for pneumonia or aspiration in the correct clinical setting . A nasogastric tube is again seen coursing below the diaphragm with the tip projecting over the stomach . Right lung is grossly clear . Postoperative changes in the left upper lung are stable . No pneumothorax .