Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates 4 .4 cm above the carina . Again seen are bilateral veil - like pulmonary opacities , unchanged in comparison to the ___ radiographs , markedly improved since ___ . The cardiac and mediastinal contours are unchanged . There is no pneumothorax . A small left pleural effusion is stable .
    OUTPUT:
    
Diffuse veil - like bilateral pulmonary opacities are unchanged since ___ , overall markedly improved since ___ . Unchanged small left pleural effusion .