Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright view of the chest provided . There is no free air below the right hemidiaphragm . The lungs are clear bilaterally . No signs of pneumonia or CHF . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
Normal exam . Specifically , no evidence of free intraperitoneal gas .