Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy is in - situ . A left - sided internal jugular catheter and right - sided PICC are unchanged in appearance compared to the prior study . An aortic valve prosthesis is also unchanged in appearance . Median sternotomy sutures are unchanged . Left lower lobe atelectasis and a layering left - sided pleural effusion are similar when compared to the prior study . The right lung appears grossly clear . No pneumothorax seen .
    OUTPUT:
    
No significant interval change when compared to the prior study . Persistent left pleural effusion .