Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , resulting in vascular crowding . Despite this there is still mild pulmonary vascular congestion which is unchanged from prior . The heart size is enlarged , but unchanged from prior . Streaky opacities in the bases likely represent atelectasis . There is no definite pleural effusion . No pneumothorax is seen . Sternotomy wires and calcifications within the aorta are noted . There has been elevation of the left hemidiaphragm by air-filled loops of bowel .
    OUTPUT:
    
Findings suggesting mild pulmonary edema , similar to prior exam .