Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable frontal radiograph of the chest demonstrates ET tube ending 2 cm above the carina . A Swan - Ganz catheter ends in the pulmonary outflow tract . The enteric tube passes below the diaphragm with the tip out of view at the inferior aspect of the image . An inferior approach catheter ends in the region of the mid SVC . There is persistent mild pulmonary edema slightly improved from prior with small bilateral pleural effusions . No pneumothorax .
    OUTPUT:
    
1 . Venous limb of the ECMO catheter ends in the mid SVC 2 . ET tube ends 2 cm above the carina 3 . OG tube and Swan - Ganz catheter in satisfactory position .