Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vascularity is within normal limits . Scattered calcifications within the upper lung fields bilaterally likely reflect the sequela of prior granulomatous disease . No focal consolidation , pleural effusion or pneumothorax is seen . There is likely minimal retrocardiac atelectasis . No acute osseous abnormalities are demonstrated . There are mild degenerative changes of the thoracic spine as well as within the imaged left AC joint .
    OUTPUT:
    
No acute cardiopulmonary abnormality .