Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion or edema . Cardiomediastinal silhouette is within normal limits for technique . Atherosclerotic calcifications seen at the aortic arch . No acute osseous abnormalities . Colonic interposition seen above dome of the liver below the right hemidiaphragm . Posterior right rib fracture is chronic .
    OUTPUT:
    
No acute cardiopulmonary process .