Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright portable radiograph of the chest demonstrates low lung volumes with bibasilar atelectasis . The heart size is top normal , but unchanged compared to the prior study . Mild pulmonary vascular congestion is present . There is no pleural effusion , overt pulmonary edema , or focal consolidation concerning for pneumonia . No pneumothorax is identified . A nasogastric tube is seen coursing through the esophagus , into the stomach , and terminating in the gastric body .
    OUTPUT:
    
Appropriate position of NG tube , terminating in the gastric body . Pulmonary vascular congestion with no overt pulmonary edema .