Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is little change in comparison to prior study . Mild bibasilar atelectatic changes are visualized but the lungs are without a focal consolidation . Evidence of prior surgical procedure is again noted with right posterior rib resection , left proximal clavicle resection , and multiple mediastinal clips associated with the patient 's colonic interposition graft . Elevation of the left hemidiaphragm persists . The cardiomediastinal silhouette remains stable .
    OUTPUT:
    
No acute cardiopulmonary process .