Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph provided . Right CP angle is excluded . There is no free air below the right hemidiaphragm . The lungs are clear . Cardiomediastinal silhouette is normal . Bony structures are intact . Gas-filled loops of small bowel in the upper abdomen are noted , measuring up to 2 .9 cm in diameter .
    OUTPUT:
    
No free air below the right hemidiaphragm . No acute intrathoracic process . Prominent gas - filled loops of small bowel in the upper abdomen . Please refer to subsequent CT abdomen for further details .