Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular line ends at lower SVC / cavoatrial junction . Patient is status post median sternotomy for CABG with borderline - sized heart and sternal sutures are intact . Since ___ , left lower lung atelectasis , mild - to - moderate pleural effusion and mild right pleural effusion have improved . Mediastinal and hilar contours are in normal limits .
    OUTPUT:
    
Since ___ , bilateral lower lung atelectasis , mild - to - moderate left and mild right pleural effusions have improved .