Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Residual mild pulmonary edema has possibly slightly increased since previous exam . This could be only due to the different positioning of the patient . The increase in left lower lung opacity could be due to accumulation of pleural effusion . There is no pneumothorax . ET tube ends at 3 .8 cm above carina . Left subclavian line is in mid SVC . NG tube is in the stomach .
    OUTPUT:
    
1 . Tube and lines are in adequate position . 2 . Residual pulmonary edema is mild and possibly slightly increased since previous exam . This could only be due to the positioning of the patient .