Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph obtained . Right CP angle is partially excluded . Evaluation is somewhat limited due to underpenetrated technique . The lungs are clear bilaterally . No sign of effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bones are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest .