Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube is 5 cm the carina . Left - sided PICC the cavoatrial junction . The nasogastric tube remains in good position . Persistent left lower lobe atelectasis . No pneumonia , pulmonary edema or effusions . No pneumothorax .
    OUTPUT:
    
Persistent left lower lobe atelectasis . Endotracheal tube is 5 cm the carina .