Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is a metallic density , linear , measuring 6 .4 mm , likely representing the tip of the ingested pen , residing in the distal esophagus . Lungs are clear . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
6 - mm density in the expected location of the distal esophagus , likely representing tip of ingested foreign body ( pen ) .