Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . There is no visualized pneumomediastinum . There is no free air below the diaphragm . Radiopaque foreign body compatible with a straightened safety pin seen in the anterior soft tissues of the upper abdomen , projecting superiorly . Surgical clips seen along the anterior abdominal wall .
    OUTPUT:
    
Straightened safety pin seen in the anterior subcutaneous tissues , projecting superiorly . Although no free intraperitoneal air is identified , the depth of the pin is uncertain and intraperitoneal extension can not be excluded .