Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The aorta is mildly tortuous . The mediastinal and hilar contours are within normal limits . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . Lungs appear clear . A chronic appearing type 3 AC joint separation is noted with several ossific densities noted in the region which may be fracture fragments . Subacute fracture of the right third anterior rib is also noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Chronic appearing type 3 AC joint separation with adjacent fracture fragments . Subacute fracture of the right anterior third rib .