Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the radiograph obtained 3 hours prior , there has been interval placement of an endotracheal tube which terminates 6 .9 cm above the carina at the level of the clavicular heads . There is also interval development of new , mild pulmonary edema and nonspecific patchy bibasilar opacities . No other significant change .
    OUTPUT:
    
1 . Interval placement of an endotracheal tube , which terminates 6 .9 cm above the carina . 2 . New , mild pulmonary edema . Additional patchy bibasilar opacities may reflect aspiration in the appropriate clinical setting .