Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal with minimal tortuosity of the thoracic aorta . Hilar contours are unremarkable . Bibasilar atelectasis and small . The lungs are otherwise clear . A wide bore right internal jugular central venous catheter terminates 5 cm caudal to the carina likely within the high right atrium . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality .