Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lines and Tubes : No change in position of Swan - Ganz catheter , intra-aortic balloon pump and enteric tube . Lungs : No interval change in the right lung haziness . Left lung is clear . Pleura : Persistent right pleural effusion , unchanged . No pneumothorax . Mediastinum : Unchanged cardiomegaly . Bony thorax : No interval change .
    OUTPUT:
    
No significant change compared to ___ .