Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate left and mild - to - moderate right pleural effusion associated with adjacent lower lung atelectasis has worsened on the left side but unchanged on the right side since ___ . Because of the effusions assessment of the heart was limited . Mediastinal and hilar contours are normal and unchanged since prior study . There is no pneumothorax . Status post median sternotomy with intact sternal sutures .
    OUTPUT:
    
Since ___ moderate left pleural effusion associated and lower lung atelectasis has worsened , mild - to - moderate right pleural effusion and adjacent atelectasis is unchanged .