Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly appears to be stable compared to studies dating back to at least ___ . The aorta is tortuous . The hilar and mediastinal contours are otherwise unremarkable . The lungs are well expanded and clear . There is no pneumothorax or pleural effusion . The spine again demonstrates compression of multiple thoracic vertebral bodies , overall stable since the CT from ___ .
    OUTPUT:
    
No acute abnormalities identified .