Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is tortuosity of the descending aorta . There is calcification of the aortic knob . The lungs are well expanded . There are areas of mild linear atelectasis at the right lung base . Otherwise , there is no focal consolidation , pleural effusion or pneumothorax . Surgical clips are seen in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .