Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enteric tube seen in the region of the inferior mediastinum and can not be seen more inferiorly secondary to overlying soft tissues . Lungs are grossly clear . Old posterior right rib fracture is identified . The cardiomediastinal silhouette is within normal limits . Colonic interposition seen underneath the right hemidiaphragm . Air-filled loops of bowel seen underlying the left hemidiaphragm .
    OUTPUT:
    
No definite acute cardiopulmonary process .