Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal radiograph of the chest demonstrates a right subclavian central venous catheter ending in the upper right atrium . There is aneurysmal dilatation of the ascending and descending aorta , better characterized on the CT . The heart size is normal . No focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Right subclavian ending in the upper right atrium . 2 . Ascending and descending thoracic aortic aneurysms better characterized on the concurrent CT .