Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is volume loss at both bases . An underlying infectious infiltrate ca n't be excluded . There is mild pulmonary vascular redistribution . Loops of bowel in the left upper abdomen are dilated , likely due to a postoperative ileus
    OUTPUT:
    
Volume loss at the bases . An underlying infectious infiltrate ca n't be excluded .