Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The aorta is mildly tortuous and partly calcified along the arch . The mediastinal and hilar contours appear unchanged . The lungs appear clear . There are no pleural effusions or pneumothorax . The osseous structures are unremarkable . Mildly exaggerated kyphosis is noted , however , with mild degenerative changes along the mid thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .