Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of a right IJ Swan - Ganz catheter and placement of a new right IJ central venous catheter terminating in the lower SVC near the superior cavoatrial junction . No pneumothorax or pleural effusion . Interval improvement in right basilar peribronchial opacities . No new focal opacity . Heart size is normal . Cardiomediastinal and hilar silhouettes are unremarkable . Supportive lines are otherwise unchanged in position .
    OUTPUT:
    
New right IJ central venous catheter terminating in the lower SVC near the superior cavoatrial junction . No pneumothorax . Improving right basilar opacities , likely atelectasis .