Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs appear relatively hyperinflated , suggesting chronic obstructive pulmonary disease . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The aorta is tortuous . The cardiac silhouette is top - normal to mildly enlarged . Previously noted aneurysmal dilatation of the descending thoracic aorta is better assessed on CT .
    OUTPUT:
    
No focal consolidation to suggest pneumonia . No evidence of pneumothorax .