Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . Aorta is tortuous . The hilar contours are normal . The pulmonary vascular is normal . The lungs are clear . No pleural effusion or pneumothorax is present . There are mild degenerative changes of the thoracic spine . No displaced rib fractures are noted . There is minimal biapical pleural thickening . Cholecystectomy clip is noted in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No displaced rib fractures noted . If there is continued clinical concern for rib fracture , a dedicated rib series is recommended .