Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . Several clips are demonstrated within the left upper quadrant of the abdomen , as well as within the right anterior chest wall , compatible with prior mastectomy .
    OUTPUT:
    
No acute cardiopulmonary abnormality .