Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size , mediastinal , and hilar contours are normal . The lungs are clear without pleural effusion , focal consolidation , or pneumothorax . Small well - circumscribed rounded lucency overlying the proximal left clavicle is possibly a small bone cyst .
    OUTPUT:
    
No evidence of fracture . However , chest radiograph is not an optimal method to evaluate the osseous structures . If clinical concern remains , consider CT chest or bone enhanced views .