Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild bibasilar opacities likely relate to atelectasis . Cardiac silhouette is stable . The mediastinum is prominent , unchanged , and may be related to positioning . The endotracheal tube ends 4 .7 cm from the carina . A nasogastric tube courses into the stomach , and out of the field of view . No pneumothorax .
    OUTPUT:
    
1 . Mild bibasilar opacities likely relate to atelectasis . 2 . Mediastinum is prominent , unchanged , and may be related to positioning . 3 . Unremarkable position of monitoring and support devices .