Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Clips in the soft tissues of the lower neck noted . Lung volumes are low limiting assessment . Allowing for this , the lungs appear clear . Cardiomediastinal silhouette appears grossly normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings . Limited exam .