Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate persistent moderate right - sided pleural effusion with adjacent atelectasis and extensive right pleural metastatic disease , unchanged . The left lung is clear . The cardiomediastinal and hilar contours are unchanged . There is no pneumothorax . A PleurX catheter projects over the right hemi thorax .
    OUTPUT:
    
Persistent moderate right - sided pleural effusion with adjacent atelectasis and extensive right pleural metastatic disease .