Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right costophrenic angle is not visualized . There is no evidence of free subdiaphragmatic air on this limited upright view . Lungs are clear without focal consolidation , effusion , or pneumothorax . The cardiomediastinal and hilar silhouettes are normal . Incidental note is made of p .o . contrast in left - sided bowel loops , likely from an earlier outside hospital scan .
    OUTPUT:
    
No evidence of free subdiaphragmatic air on this limited upright chest radiograph .