Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The mediastinal and hilar contours appear unchanged . The aortic arch shows patchy calcification . The lungs appear clear . There is no definite pleural effusion or pneumothorax . There are similar mild to moderate degenerative changes along the thoracic spine . Spondylosis is incompletely characterized along the mid cervical spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Incompletely characterized moderate mid cervical spondylosis .