Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single supine AP radiograph of the chest was acquired . The lungs are clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . Right apical pleural thickening likely relates to known rib trauma . There is no definite pneumothorax seen on this single supine radiograph , although a small pneumothorax was seen on the accompanying CT cervical spine from ___ . There is a displaced fracture through the distal aspect of the right clavicle . A known fracture through the posterior aspect of the right first rib was better seen on the accompanying CT cervical spine from ___ . No definite additional rib fractures are identified .
    OUTPUT:
    
1 . No definite pneumothorax is seen on this single supine radiograph , although a small pneumothorax was identified on the cervical spine CT from ___ . 2 . Displaced fracture through the distal aspect of the right clavicle . 3 . Clear lungs .