Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular central venous catheter terminates within the mid SVC . An endotracheal tube terminates 5 .0 cm above the level of the carina . An orogastric tube courses into the stomach and out of view . As compared to the prior examination , there has been no relevant change . Redemonstrated is a dense retrocardiac left lower lobe opacity . The remainder of the visualized lungs are grossly clear . There is no pneumothorax . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Persistent , dense left lower lobe retrocardiac opacity . No relevant interval change .