Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Left - sided dual - chamber pacemaker device is seen with leads terminating in the right atrium and right ventricle . The heart is normal in size . Mediastinal and hilar contours are unremarkable . The pulmonary vascularity is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Multiple spiral radiopaque densities within the upper anterior abdominal wall are compatible with prior ventral hernia repair . No free air is seen under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No free air under the diaphragms .