Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates low lung volumes with slight interval improvement of widespread pulmonary opacification , most notable in the right lung . Persistent opacification of the left lower lung represents a combination of pleural effusion and consolidation . Mild cardiomegaly is unchanged . ET tube is 3 cm above the carina . Right - sided central venous line ends in the distal SVC . Nasogastric tube is in the stomach and off the image . No pneumothorax .
    OUTPUT:
    
Nasogastric tube is in the stomach and off the image .