Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate well - expanded lungs . Cardiomediastinal contours are normal . Lungs are clear . There is no pleural effusion and no pneumothorax . Tiny linear metallic density projecting over the right breast likely represents a biopsy clip . No definite rib fractures .
    OUTPUT:
    
No acute cardiopulmonary abnormalities . No displaced rib fractures seen based on this nondedicated examination .