Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine AP chest radiograph . There has been retraction of the endotracheal tube , now positioned 6 .5 cm from the carina . Endogastric tube descends into the upper abdomen . Severe pulmonary edema noted . No large effusion or pneumothorax on this supine radiograph . No displaced rib fractures are identified .
    OUTPUT:
    
1 . Severe pulmonary edema . 2 . ETT retracted to 6 .5 cm above the carina . Advancement would result in more optimal positioning .