Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are relatively hyperinflated but clear without confluent consolidation , effusion , or edema . Cardiomediastinal silhouette is within normal limits . There is a 5 mm radiopaque density projecting over the thoracic inlet on the frontal view , near midline . This is not clearly seen on the lateral view to more fully localize .
    OUTPUT:
    
No acute cardiopulmonary process . A 5 mm radiopaque foreign body projecting over the thoracic inlet on the frontal view . The location of this is uncertain based on a single view , to be correlated clinically . Additional imaging can be obtained as clinically warranted .