Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The aorta is slightly unfolded . Pulmonary vascularity is normal . The lungs are clear . No definite pneumothorax or pleural effusion is seen . A comminuted displaced fracture involving the mid shaft of the left clavicle is present . No displaced rib fractures are definitively seen .
    OUTPUT:
    
Comminuted displaced fracture involving the mid shaft of the left clavicle . No acute cardiopulmonary abnormality . No definite displaced rib fractures are seen .