Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate stable - appearing postoperative rightward widening of the mediastinum . The heart is top normal in size . Again seen is a partially loculated , moderate - sized right pleural effusion with a stable degree of adjacent right lower lobe and right middle lobe atelectasis . The left lung is clear .
    OUTPUT:
    
Stable appearing partially loculated , moderate - sized right pleural effusion with adjacent right lower lobe and right middle lobe atelectasis .