Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased opacity projecting over the left hemi thorax compatible with pleural effusion , with fluid seen abutting the lung apex . There is superimposed mild pulmonary edema . Enlargement of the cardiac silhouette and upper mediastinum is similar compared to prior . Right chest wall surgical ___ are noted .
    OUTPUT:
    
Large left pleural effusion with mild pulmonary vascular congestion .