Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right lower lobectomy with expected pleural fluid in the vacated region which has increased from prior study . There is no pneumothorax ; the previously seen posterior hydropneumothorax has resolved . The left lung appears normal . The cardiomediastinal contours appear unremarkable .
    OUTPUT:
    
Status post right lower lobectomy with increased right pleural fluid .