Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright view of the chest provided . A CBD stent projects over the right upper quadrant . No free air below the right hemidiaphragm is seen . Lungs are clear . No pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process . No free air below the right hemidiaphragm .