Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is demonstrated . No pneumoperitoneum is seen . A biliary stent is partially imaged in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No subdiaphragmatic free air .