Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single AP upright frontal view of the chest was obtained . There is no free air below the hemidiaphragms . The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No free air below the hemidiaphragms .