Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior examination , there has been no significant change . There is no evidence of a pneumothorax . Lung volumes are low . Minimal right chest subcutaneous emphysema is stable since the prior examination . The right Port - A - Cath tip terminates at the cavoatrial junction . Likely small right pleural effusion is present .
    OUTPUT:
    
No significant change from 1 day prior .