Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is slight decrease in pleural fluid and improved aeration at the right lung base . Again seen is extensive pleural tumor and central adenopathy in the right hemithorax . No pneumothorax . The left lung is clear . Heart size is top normal . A pleural catheter is seen at the right lung base
    OUTPUT:
    
Slight decrease in pleural fluid and improved aeration at the right lung base .