Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are present . This accentuates the size of the cardiac silhouette which is likely mildly enlarged . Mediastinal and hilar contours are likely within normal limits . A right brachiocephalic venous stent is re - demonstrated . There is crowding of the bronchovascular structures with probable mild pulmonary vascular congestion . No pleural effusion or pneumothorax is identified .
    OUTPUT:
    
Low lung volumes with mild pulmonary vascular congestion .