Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are normal . Lungs are clear and the pulmonary vascularity is normal . No pleural effusion or pneumothorax is present . A linear lucency is noted involving the distal left clavicle , suspicious for nondisplaced fracture . No displaced rib fractures are demonstrated .
    OUTPUT:
    
Linear lucency through the distal aspect of the left clavicle , suspicious for a nondisplaced fracture . Dedicated left shoulder radiographs can be obtained for further evaluation . No acute cardiopulmonary abnormality .