Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the endotracheal tube projects 2 .3 cm from the carina . A gastric tube extends into the stomach . There has been interval placement of a Swan - Ganz catheter , the tip projecting over the right hilum . It appears to be looped within the the right atrium . The tip of the right PICC line projects over the mid SVC . Unchanged appearance of the cardiomediastinal silhouette . Unchanged bilateral pleural effusions . Persisting retrocardiac opacities likely reflect atelectasis . No pneumothorax identified .
    OUTPUT:
    
Interval placement of the right transjugular Swan - Ganz catheter which appears looped within the right atrium before terminating over the right hilum .