Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Lucency below the right hemidiaphragm is new and may represent free air versus interposed bowel . Lungs remain clear . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
Lucency below the right hemidiaphragm , likely interposed bowel , though free air difficult to exclude . Otherwise unremarkable . Please correlate clinically .