Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright chest radiograph demonstrates interval withdrawal of an endotracheal tube which is now seen within the mid trachea , 4 .5 cm from the carina . Lung volumes are low , with slight interval increase in bibasilar atelectasis and retrocardiac opacity . Bilateral effusions are small , if any . Pneumomediastinum and subcutaneous gas in the shoulder girdle and up the neck demonstrates interval resorption . An NG tube is in place with its tip and sidehole within the stomach . There is mild pulmonary edema .
    OUTPUT:
    
1 . Mild pulmonary edema , small bilateral pleural effusions . 2 . Resolving pneumomediastinum and subcutaneous gas in the shoulder girdle and neck . 3 . Retrocardiac and bilateral infrahilar opacity can be explained by atelectasis , although aspiration or pnuemonia is not excluded .