Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine chest film ___ at 21 :33 is submitted .
    OUTPUT:
    
Interval placement of an endotracheal tube with its tip 4 .3 cm above the carina . Interval placement of nasogastric tube which courses below the diaphragm with the tip not identified . There continues to be a diffuse reticular nodular airspace process but there are now more confluent opacities in both lung bases consistent with worsening pneumonia . No pneumothorax . Overall cardiac and mediastinal contours are stable .