Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from earlier today , significant interval decrease in right - sided pleural effusion with PleurX catheter in good position . Right upper lobe and mediastinal contours are stable . Mild pulmonary vascular congestion has improved . Mild cardiomegaly with mitral annular calcification . Endovascular stent in similar configuration . No pneumothorax .
    OUTPUT:
    
Significant interval decrease in right - sided pleural effusion . No pneumothorax .