Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . The lungs appear clear . There is mild distention of proximal small bowel with several air - fluid levels on the lateral view , although not necessarily significant clinically . Air is visualized in the transverse colon , which is not dilated .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Mild proximal small bowel distension .