Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . This causes some vascular crowding ; however , no focal consolidation to suggest pneumonia is identified . No pleural effusion or pneumothorax is seen . There is mild vascular congestion . The heart size is top normal . There is tortuosity of the aorta . Surgical clips are noted in the right upper quadrant .
    OUTPUT:
    
Vascular congestion . No evidence of pneumonia .