Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable view of the chest demonstrates low lung volumes . There is stable bibasilar atelectasis . The cardiomediastinal silhouette is grossly unchanged . There is no pneumothorax or pleural effusion . There are no focal areas of consolidation to suggest pneumonia .
    OUTPUT:
    
The lung volumes , no evidence of pneumonia .