Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . The pulmonary vascularity is normal and the lungs are clear . No pleural effusion or pneumothorax is identified . Multiple clips are again demonstrated within the right upper quadrant . No acute osseous abnormalities are seen . There are degenerative changes in the thoracic spine and right AC joint .
    OUTPUT:
    
No acute cardiopulmonary abnormality .