Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Exam is limited by beam penetration . Left anterior chest wall ICD and leads are unchanged along with moderate cardiomegaly and mild unfolding of the thoracic aortic arch . Hilar contours are unremarkable . Probable mild bibasilar atelectasis . Lungs otherwise appear clear . No pleural effusion or pneumothorax .
    OUTPUT:
    
Somewhat limited examination without evidence of pneumonia or fluid overload .