Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Both lungs are clear with no focal consolidation , pleural effusion or pneumothorax . There is no free air under the diaphragm .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No free air under the diaphragms .