Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are unchanged , with the heart size top normal . Pulmonary vascularity is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . Extensive chest wall deformities bilaterally are unchanged compatible with healed rib fractures . Multiple clips are noted within the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .