Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New right - sided internal jugular catheter terminates in the right atrium . Nasogastric tube tip is in the body of the stomach . Low lung volumes with subsegmental atelectasis . No pulmonary edema , pleural effusion or pneumothorax . Heart size is normal .
    OUTPUT:
    
Right internal jugular catheter in the right atrium .