Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A newly placed NG tube enters the stomach , tip not visualized . All support devices including a right IJ central venous catheter and endotracheal tubeare unchanged in position . Bilateral airspace opacities are slightly improved since the study of 1 day prior . Small bilateral layering pleural effusions are unchanged . The heart again appears enlarged despite the projection .
    OUTPUT:
    
Newly placed NG tube courses below the hemidiaphragm , tip not visualized . Slightly improved bilateral airspace opacity which may be due to pulmonary edema or infection . Unchanged small bilateral layering pleural effusions . Stable cardiomegaly .