Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal radiograph of the chest . ET tube ends 5 cm above the carina . Interval removal of right subclavian approach central catheter since prior study . Bilateral lower lobe opacities likely represent a combination of moderate pleural effusions and atelectasis ; however , underlying pneumonia is possible as is post-occlusive pulmonary edema . Stable aortic tortuosity and calcification of the aorta . No pneumothorax . Unchanged mediastinal and hilar contours . Top normal heart size . A zipper projects over the left upper quadrant .
    OUTPUT:
    
ET tube ends 5 cm above the carina .