Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidations to suggest pneumonia . Stable appearance of the cardiomediastinal silhouette . Tortuous , aneurysmal thoracic aorta is again noted . No pleural effusion . No pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process . Tortuosity of an aneurysmal thoracic aorta grossly unchanged .