Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Median sternotomy wires are intact and stable in appearance as well as prior CABG clips . Moderate right - sided pleural effusion , slightly increased since the prior with adjacent atelectasis . The left lung is clear . The cardiac silhouette is mildly enlarged . No pneumothorax .
    OUTPUT:
    
Slight increase in right moderate pleural effusion .