Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tip of right PICC is at or just below the expected level of the cavoatrial junction . Cardiac silhouette appears mildly enlarged but stable compared to prior studies . This likely corresponds to a pericardial effusion as demonstrated on prior chest CT of ___ . Bilateral moderate pleural effusions are again demonstrated , with associated atelectasis within both lower lobes . Minor degrees of atelectasis are also present in the middle lobe and lingula .
    OUTPUT:
    
1 . Right PICC , position as described above . 2 . Persistent pleural effusions and adjacent atelectasis .