Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A metallic density projecting over the right upper lung on the frontal view is not clearly seen on the lateral projection and may represent artifact . Lungs are clear . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process . Metallic density projecting over the right upper lung not seen on lateral view and may represent artifact .