Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Aside from mediastinal and extrapleural fat deposition , often seen with chronic steroid use , cardiomediastinal and hilar contours are within normal limits . There is mild atelectasis at the lingula . Lungs are otherwise well expanded and clear . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .