Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is enlarged , not significantly changed from prior examination . There is tortuosity of the descending aorta . There is no evidence of focal consolidation , pleural effusion or pneumothorax . There is no overt pulmonary edema . Degenerative changes are noted in the thoracic spine and there is bilateral AC joint arthropathy .
    OUTPUT:
    
No acute cardiopulmonary process . Enlarged cardiac silhouette , not significantly changed from prior examination . No overt pulmonary edema .