Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aortic knob is calcified . The mediastinal and hilar contours are unremarkable . The pulmonary vascularity is normal . The lungs are clear without focal consolidation . Punctate calcific density projecting over the left upper lung field likely reflects a granuloma . No pleural effusion or pneumothorax is present . Mild degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .