Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , resulting in bronchovascular crowding . The heart is mildly enlarged . The hilar and mediastinal contours are within normal limits . A markedly distended loop of large bowel is better visualized on the recent CT examination performed on ___ . There is no intraperitoneal air . There is no pneumothorax , focal consolidation , or pleural effusion . Bibasilar opacities reflect mild aspiration or atelectasis , as seen on the CT examination .
    OUTPUT:
    
1 . Bibasilar atelectasis . 2 . No pneumothorax or pleural effusion . 3 . Distended sigmoid colon , as seen on the CT examination .