Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged , unchanged . Mediastinal and hilar contours are within normal limits . The patient is status post median sternotomy with multiple mediastinal clips noted anteriorly . Pulmonary vascularity is normal . The lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . Clips are re- demonstrated within the right upper quadrant of the abdomen compatible with prior cholecystectomy . No acute osseous abnormalities are present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .