Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube terminates 36 mm above the carina . Lung volumes remain low . Bibasilar opacity are stable and likely due to atelectasis . There is no pulmonary edema or large pleural effusion . The opacity at the right lung base is stable from ___ but new from ___ . Cardiac silhouette is moderately enlarged .
    OUTPUT:
    
Right lung base opacity is likely atelectasis , however pneumonia is possible in correct clinical setting . Low lung volumes and bibasilar atelectasis are similar as before .