Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . Minimal atherosclerotic calcifications are noted at the aortic knob . Pulmonary vasculature is normal . Calcified granuloma is seen within the right apex . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is present . Minimal degenerative changes are seen within the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .