Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are unchanged . The right lung is clear . The cardiomediastinal and hilar contours are unchanged . Any residual left apical pneumothorax is extremely small . A loculated left pleural effusion is substantial is slightly worsened . The right pleural surfaces are normal . The osseous structures are stable .
    OUTPUT:
    
1 . Tiny residual left apical pneumothorax . 2 . Interval worsening of loculated left pleural effusion .