Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New pigtail is in right lower hemithorax with significant improvement of subpulmonic effusion . Left lower lung pneumonia with small pleural effusion is slightly worse than ___ but improved since ___ . Patient had right upper lobe lobectomy and radiation therapy for cancer , this was better assessed in recent CT scan .
    OUTPUT:
    
There is no pneumothorax after pigtail placement . Right subpulmonic pleural effusion has significantly improved .