Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previous small right apical pneumothorax is no longer visualized . The right pleural effusion has increased with compressive basilar atelectasis causing silhouetting of the right heart border . Fluid tracking within the minor fissure is re - demonstrated . Cardiomediastinal silhouette is stable . The left lung is clear .
    OUTPUT:
    
1 . Right - sided pleural effusion has increased , with adjacent compressive atelectasis . 2 . The previous small right apical pneumothorax is no longer visualized .