Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates approximately 3 cm above the carina . A right PICC terminates in the low SVC . Nasogastric tube terminates in the stomach with side port beyond expected location of the gastroesophageal junction . Lung volumes are low with bibasilar opacities which are stable from ___ . The left hemidiaphragm is elevated , unchanged . No pleural effusion or pneumothorax .
    OUTPUT:
    
No new or worsening opacities to suggest a new source of infection .