Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable , consistent with a tortuous thoracic aorta . The hilar within normal limits . There is likely left basilar atelectasis . Otherwise , there is no focal lung consolidation . There is no pulmonary edema . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process . Stable radiographic appearance of the mediastinum .