Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated somewhat to the left . Streaky left basilar retrocardiac opacity may be due to atelectasis but infection or aspiration is not excluded in the appropriate clinical setting . The right lung is clear . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Streaky left basilar retrocardiac opacity may be due to atelectasis but infection or aspiration not excluded in the appropriate clinical setting . Consider dedicated PA and lateral views when / if patient able , for further and better evaluation .