Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . Left dialysis catheter tip terminates in the right atrium . There is a large right pleural effusion with layering of fluid . There is no pneumothorax . There is no definite consolidation .
    OUTPUT:
    
1 . Large right pleural effusion , which is likely stable compared to prior , given change in position . 2 . Underlying consolidation at the right base is possible , however , can not be definitively excluded on this radiograph .