Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal bibasilar heterogeneous opacities are not significantly changed compared to radiographs from ___ , likely atelectasis or scarring . The lungs are otherwise clear . Marked tortuosity of the thoracic aorta is not significantly changed . Aortic calcifications are noted . Heart size is within normal limits . There are no pleural effusions . No pneumothorax is seen . Multiple left - sided rib fractures are old . Severe degenerative changes of both glenohumeral joints are again seen .
    OUTPUT:
    
No acute cardiac or pulmonary process .