Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are poorly inflated . There is no consolidation , pneumothorax , or pleural effusion appreciated . The cardiomediastinal silhouette and hilar silhouettes are normal size . As noted in prior study , the vertebral stabilization devices are grossly intact .
    OUTPUT:
    
1 . Low lung volumes however this is a grossly normal chest x-ray . No acute cardiopulmonary process seen .