Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . Pulmonary vascularity is normal . The lungs are clear . No pleural effusion or pneumothorax is present . Multiple clips are re-demonstrated in the left upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .