Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest film ___ at 05 :32 is submitted .
    OUTPUT:
    
Endotracheal tube , nasogastric tube and left internal jugular central line unchanged in position . Overall cardiac and mediastinal contours are stable . Overall , there continues to be a diffuse bilateral airspace process but it appears to be somewhat improved suggesting resolving edema and / or an improving pneumonia . Clinical correlation is advised . There is likely a layering left effusion . No pneumothorax is appreciated .