Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . There has been interval placement of an endotracheal tube with its tip located just 8 mm above the carina . Retraction by at least 2 cm is advised . Endogastric tube descends into the right upper quadrant likely within the distal stomach . Pulmonary edema persists , likely slightly worse . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
1 . Low lying endotracheal tube , recommend retraction by at least 2 cm for more optimal positioning . 2 . Endogastric tube appears positioned appropriately . 3 . Pulmonary edema , perhaps slightly progressed .