Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right dual lumen central venous catheter is unchanged in position with the tip projecting over the right atrium . Moderate cardiomegaly is unchanged . Vascular congestion is persistent without frank interstitial edema . Lungs are otherwise clear . Pleural surfaces are clear without large effusion or pneumothorax .
    OUTPUT:
    
Persistent pulmonary vascular congestion without frank interstitial pulmonary edema .