Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement in the bilateral parenchymal opacities . A right - sided pigtail catheter is in stable position . Endotracheal tube terminates at the level of the clavicles , and a nasogastric tube terminates within the stomach . A left PICC is in stable position .
    OUTPUT:
    
Interval improvement in the bilateral parenchymal opacities . Right pigtail catheter in stable position .