Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated somewhat to the right . Cardiac silhouette is top - normal to mildly enlarged . The aorta unfolded and calcified . Mild basilar atelectasis is seen . Subtle patchy left base opacity is most likely due to atelectasis , but consolidation due to infection is not excluded in the appropriate clinical setting . No large pleural effusion is seen . There is no pneumothorax .
    OUTPUT:
    
Mild basilar atelectasis . Subtle patchy left base opacity is most likely due to atelectasis , but consolidation due to infection is not excluded in the appropriate clinical setting .