Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the right central venous catheter extends to the distal SVC . A left central venous dialysis catheter extends to the right atrium . Unchanged heavy atherosclerotic calcification in the right axillary and subclavian and brachiocephalic veins as well as the aorta . Stent graft is noted in the left upper extremity . There is no focal consolidation , pleural effusion or pneumothorax identified . The size of the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No radiographic evidence of acute cardiopulmonary disease .