Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle right base opacity may be due to confluence of vascular structures , however , subtle consolidation is not excluded in the appropriate clinical setting . There is mild elevation the right hemidiaphragm and right base opacity could relate to atelectasis . No pleural effusion or pneumothorax is seen . Cardiac silhouette is mildly enlarged .
    OUTPUT:
    
Mild elevation the right hemidiaphragm . Subtle right base opacity could be due to overlying atelectasis , however , underlying infection is not excluded in the appropriate clinical setting .