Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs demonstrate a left chest pacer defibrillator , it s leads appear intact in in stable position relative to prior study . Mediastinal clips project over the left mediastinal border . Bilateral pleural effusions are present , right greater than left . Pleural fluid appears increased relative to prior examination performed ___ . There is no pneumothorax . Heart borders are obscured .
    OUTPUT:
    
Bilateral pleural effusions , right greater than left , and increased relative to prior study performed ___ .