Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . Hyperexpansion is moderate . The cardiomediastinal silhouette is normal . The aorta is tortuous and both the ascending and descending portions . The osseous structures and upper abdomen are unremarkable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Tortuous aorta ; if there is clinical concern for dissection , chest CTA should be obtained . 3 . Moderate hyperexpansion .