Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes with resulting bronchovascular crowding . There is persistent bilateral diffuse interstitial abnormality , which is not significantly changed from the prior study , and likely represents moderate pulmonary edema . The cardiomediastinal and hilar contours are unchanged . A nasogastric tube courses into the stomach and out of the field of view . A right - sided internal jugular central venous line ends in the mid SVC . Left - sided wide bore central venous line ends at the cavoatrial junction .
    OUTPUT:
    
Moderate pulmonary edema without relevant change .