Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pulmonary arterial catheter is been inserted . Unfortunately , its distal end is partially obscured by a monitor lead 3 it can be followed into the right main pulmonary artery . A PICC , endotracheal tube and nasogastric tube remain in place . Bilateral pulmonary opacities and pleural effusions persist . Mediastinal structures are stable .
    OUTPUT:
    
Pulmonary arterial line placement as described .