Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nephroureteral stent and external drain tip are seen in the approximate location of the right kidney . Bibasilar atelectasis is noted but there are no frank consolidations to suggest pneumonia . The cardiomediastinal silhouette appears normal . There is mild enlargement of the perihilar vessels suggesting increased invascular volume but no evidence of pulmonary edema . The heart is normal in size . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Minimal bibasilar atelectasis , but no frank consolidations to suggest pneumonia .