Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Note is made of median sternotomy wires and surgical clips consistent with prior cardiac surgery . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There is a 7 mm nodular opacity projected over the base of the right lung is calcified and consistent with a granuloma .
    OUTPUT:
    
No acute cardiopulmonary abnormality .