Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is normal . The aorta is tortuous . Minimal interstitial reticular abnormality in the lower lobes bilaterally is unchanged , better characterized in prior CT . There is no pneumothorax or pleural effusion . There are mild degenerative changes in the thoracic spine . There is S - shaped scoliosis
    OUTPUT:
    
No acute cardiopulmonary abnormalities . No evident large lymphadenopathy . Mild interstitial lung disease stable