Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is normal in size . The descending aorta is tortuous . The hilar and mediastinal contours are otherwise within normal limits . Mild blunting of left costophrenic angle could be secondary to a small pleural effusion . There is mild bibasilar atelectasis . No new focal consolidation or pneumothorax identified . Air-filled loops of bowel are noted in the left upper quadrant .
    OUTPUT:
    
Bibasilar atelectasis and mild blunting of the left costophrenic angle which could be secondary to a small pleural effusion . No new focal consolidation .