Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT tip is about 3 cm from the carina . A right internal jugular sheath terminates in the upper SVC . An enteric tube traverses the diaphragm and its tip is not seen . The stomach is nondistended . Lung volumes remain low . Probable small layering pleural effusions are grossly unchanged . No pneumothorax . Retrocardiac opacity is unchanged likely atelectasis . Wide mediastinum is likely secondary to large thoracic aorta , grossly unchanged . Right abdomen surgical drains noted .
    OUTPUT:
    
Low lung volumes and atelectasis . No significant interval change .