Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous . The mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is seen . Mild degenerative changes are noted involving both glenohumeral and acromioclavicular joints . Mild to moderate degenerative changes are also noted involving the thoracic spine . Cervical spinal fusion hardware is incompletely assessed .
    OUTPUT:
    
No acute cardiopulmonary abnormality .