Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from earlier today , volumes are slightly decreased . The cardiomediastinal and hilar contours are within normal limits . There is mild tortuosity of the descending aorta . No focal consolidation or pneumothorax is identified . Possible very trace right pleural effusion .
    OUTPUT:
    
Possible very trace right pleural effusion . No definite focal consolidation .