Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is top normal . Mediastinal and hilar contours are normal . Pulmonary vascularity is normal and the lungs are clear . No pleural effusion or pneumothorax is seen . There are mild degenerative changes within the thoracic spine . Osteophytic spurring is also seen involving the right acromioclavicular joint . Cholecystectomy clips are present in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .