Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacity over the right mid - to - lower lateral lung appears similar , likely corresponding to known loculated pleural effusion ; catheter within the effusion appears similarly positioned . Right Port - A - Cath terminates in the low SVC , similar to prior . No new consolidation , left effusion , pneumothorax , or pulmonary edema is detected . Heart size is persistently enlarged , likely exaggerated by low lung volumes .
    OUTPUT:
    
Stable - appearing loculated right pleural effusion with corresponding catheter .