Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unchanged with minimal tortuosity of the thoracic aorta . Pulmonary vascularity is normal . A calcified granuloma in the right upper lung field measuring 4 mm is unchanged . Lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . There is no free air under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary abnormality .