Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable upright radiograph through the chest demonstrates an esophageal stent in the location of a gastric pull through . New since prior examination , the neoesophagus appears opacified , previously air filled on prior radiograph ___ . Obscuration of bilateral costophrenic angles is consistent with bibasilar pleural effusions . Mild pulmonary edema is present which obscures known metastatic nodules . There is a right Port - A - Cath in unchanged position .
    OUTPUT:
    
1 . Previously air - filled neo esophagus is opacified raising concern for an obstruction . 2 . Bibasilar pleural effusions are largely unchanged when compared to prior study dated ___ allowing for differences in image acquisition . 3 . Mild pulmonary edema .