Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear despite low lung volumes . There is no effusion or consolidation . Note is made of an azygos fissure . The cardiomediastinal silhouette is within normal limits . There is a sliver of air underneath the left hemidiaphragm , adjacent to several loops of large bowel . It is unclear whether this is free air below the diaphragm or air within a loop . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
Sliver of air below the left hemidiaphragm adjacent to colonic loops of bowel . It is likely intraluminal but suggest repeat film to confirm .