Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Lungs are clear and the pulmonary vascularity is normal . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities . Multiple punctate radiopaque round densities are seen throughout the chest and primarily the back , compatible with buckshot fragments .
    OUTPUT:
    
No acute cardiopulmonary abnormality .