Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a dual lead pacemaker / ICD device whose leads terminate in the right atrium and ventricle , respectively . The heart is mildly enlarged . There is mild unfolding of the thoracic aorta . There is no pleural effusion or pneumothorax . Slight fullness of each hilum suggests minimal vascular congestion . Otherwise , the lungs appear clear .
    OUTPUT:
    
Findings suggestive of slight vascular congestion or fluid overload ; otherwise unremarkable .