Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates moderate pulmonary edema . The patient has been intubated over the interval , and the endotracheal tube ends 2 .5 cm from the carina . A nasogastric tube ends in the upper esophagus . No pneumothorax . Cardiomediastinal and hilar contours are grossly unchanged .
    OUTPUT:
    
1 . Moderate pulmonary edema . 2 . Nasogastric tube ends in the upper esophagus . 3 . Unremarkable positioning of the endotracheal tube .