Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . No free air is identified below the hemidiaphragms . A biliary catheter is noted in the right upper quadrant .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No free air below the hemidiaphragms .