Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung fields are clear . The cardiomediastinal silhouette is within normal limits . No radiopaque foreign bodies seen within the chest . On the lateral view a 1 .7 cm linear density projects over the transverse colon . This lesion is not confirmed on the abdomen from the same date , suggesting this lies outside the patient . No definite radiopaque foreign body seen .
    OUTPUT:
    
No definite intra-abdominal or thoracic radiopaque foreign body seen . Lung fields are clear .