Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is present in standard position . The heart size is top normal . The mediastinal and hilar contours are unremarkable . There is a small right pleural effusion . There is no pneumothorax . Bibasilar atelectasis is present . Left retrocardiac opacity also likely represents atelectasis . Emphysematous changes are noted , especially in the lung apices with increased distance between interstitial markings . There is no pulmonary edema .
    OUTPUT:
    
1 . ET tube in standard position . 2 . Bibasilar atelectasis with small left pleural effusion . No pulmonary edema .