Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is no evidence of pulmonary edema . Subtle bibasilar opacities likely reflects subsegmental atelectasis . No pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of pulmonary edema . Subtle bibasilar opacities likely reflect atelectasis however infection should be considered in the appropriate setting .