Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with moderate cardiomegaly . Multiple intact sternotomy wires and mediastinal surgical clips are noted . Moderate - to - large right pleural effusion , is slightly smaller since ___ . There is compressive atelectasis of a major portion of the right lower and middle lobes . The left lung is well expanded and clear . Mild pulmonary vascular congestion is seen , without overt edema .
    OUTPUT:
    
Moderate - to - large right pleural effusion with compressive bibasal atelectasis . Pulmonary vascular congestion .