Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval reaccumulation of a large right pleural effusion , with a large sub - pulmonic component and near - complete collapse of the right lower lobe . There is no pneumothorax . Mild hyperinflation of the left lung is noted . The hilar and mediastinal contours are normal . Cardiomegaly is unchanged .
    OUTPUT:
    
Reaccumulation of large right pleural effusion with compressive atelectasis of the right lower lobe .