Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube remains in good position . There is an upper alimentary tube whose tip is not seen , but appears to be coiled towards its distal end . Bilateral diffuse airspace opacities are much improved on this study , but slight increased markings in the bilateral upper lobes and the right lower lobe are still present . There is no pleural effusion or pneumothorax . Cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Almost complete resolution of bilateral diffuse airspace opacifications consistent with diagnosis of pulmonary edema .