Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is a stable . The aorta is tortuous . . Aside from minimal retrocardiac atelectasis The lungs are clear . There is no pneumothorax or pleural effusion . There are moderate degenerative changes in the thoracic spine
    OUTPUT:
    
No acute cardiopulmonary abnormalities