Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . No focal consolidation , pulmonary edema , pleural effusion , or pneumothorax . Stable appearance of the cardiomediastinal silhouette , hila , and pleura . Stable mild tortuosity of the descending aorta . Healed right pleural fractures . Surgical clips in the right upper quadrant , probably from cholecystectomy . Stable degenerative changes of the visualized thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .