Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam earlier the same day at 2 :45 p .m . Endotracheal tube is seen with tip now 4 cm from the carina , in appropriate position . Nasogastric tube again seen passing off the inferior field of view . There has been progression of the bilateral parenchymal opacities concerning for pulmonary edema . There is no visualized pneumothorax based on this supine exam . Cardiomediastinal silhouette is grossly unremarkable , noting overlying transcutaneous pacer , which obscures clear visualization . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Endotracheal tube in appropriate position . Progression of bilateral parenchymal opacities suggesting edema .