Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is in stable position . Enteric tube descends below the field of view . Lung volumes are low , which accentuates bronchovascular markings . Increased density throughout both lungs is likely related to lower lung volumes . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Low lung volumes . No significant change from the prior examination .