Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . A complete non-displaced fracture is noted through the mid shaft of the left clavicle . Bony structures are otherwise unremarkable .
    OUTPUT:
    
Fracture of the mid portion of the left clavicle ; otherwise , no evidence of injury .