Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new right internal jugular line ends at the cavoatrial junction . The lung volumes remain low , which causes crowding of the bronchovascular structures . No pulmonary vascular congestion , pleural effusion or pneumothorax is identified . The heart size is top normal . Percieved widening of the mediastinum is likely due to technique .
    OUTPUT:
    
New right internal jugular line ends at the cavoatrial junction . No pneumothorax .