Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is continued expected large left pleural effusion now with very few residual locules of air and slight leftward shift of the upper mediastinum . A small right pleural effusion is unchanged from ___ . The right lung is otherwise clear without focal consolidation or pneumothorax . Postoperative rib abnormalities on the left and surgical clips are noted .
    OUTPUT:
    
1 . Expected increasing left pleural effusion due to prior left pneumonectomy . 2 . Stable small right pleural effusion .