Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared with ___ , the nasogastric tube has been removed . Low lung volumes with increasing bibasal atelectasis . There is likely small left pleural effusion . Cardiac silhouette is unchanged given for differences in technique and low lung volumes . No pneumothorax .
    OUTPUT:
    
New bibasal opacities , likely worsening atelectasis .