Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Volumes are somewhat low though allowing for this the lungs are clear . No convincing evidence for pneumonia or edema . No large effusion or pneumothorax . The heart size is top - normal . The aorta is unfolded . Mild degenerative changes in the thoracic spine with mild anterior spurring . Numerous air - fluid levels are noted within the colonic loops in the upper abdomen . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings .