Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is borderline in size . The aorta is moderately tortuous . The arch shows patchy calcification . Otherwise , mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . The lungs appear clear . The humeral head appears sclerotic , probably due to degenerative disease of the shoulder , which is incompletely imaged . All visualized thoracic interspaces appear mildly narrowed .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .