Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are stable with cardiac size normal and tortuous aorta with aneurysmal dilatation better seen in prior CT . Elevation of the left hemidiaphragm is chronic . The lungs are clear . Opacity in the left lower lateral hemi thorax is consistent with known fat containing diaphragmatic hernia . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary abnormalities