Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left IJ central venous catheter terminates in the upper SVC . A right IJ central venous catheter extends to the mid SVC . A nasogastric tube enters the stomach , distal tip not visualized . There is no pneumothorax . Bilateral airspace opacities have improved in the right upper lung field . Mild cardiomegaly despite the projection is stable .
    OUTPUT:
    
Change in distribution but not overall severity of pulmonary edema or hemorrhage .