Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a persistent a moderately large left pleural effusion with associated left lower lobe collapse . The request indicates the patient has 2 chest tubes in - situ , these are not clearly visualized on this study . A right - sided PICC terminates in the mid to distal SVC . No pneumothorax seen .
    OUTPUT:
    
Moderately large left pleural effusion with associated left lower lobe atelectasis . The chest drains are not clearly seen on this study .