Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a nasogastric tube , which terminates in the mid esophagus , and needs to be advanced substantially for optimal positioning . The lung volumes are low , and there are bilateral hazy opacities in the lung bases , suggestive of a combination of atelectasis and pleural effusion . There is engorgement of the pulmonary vasculature , with mild pulmonary edema . Heart size is unchanged . There is no pneumothorax , and there is no focal opacity to suggest pneumonia .
    OUTPUT:
    
1 . Nasogastric tube terminates in the mid esophagus , needs to be advanced for optimal positioning . 2 . Low lung volumes , with small effusions and atelectasis . 3 . Pulmonary vascular engorgement and mild pulmonary edema .