Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again , in comparison the prior examination dated ___ , there has been no relevant interval change . Lung volumes remain low . Streaky , linear bibasilar opacities likely reflect atelectasis and are improved . There is no evidence of pneumothorax or pleural effusion . The cardiomediastinal silhouette is within normal limits . Right hemidiaphragm remains elevated .
    OUTPUT:
    
Low lung volumes with improving bibasilar linear opacities most suggestive of atelectasis .