Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval reaccumulation of a mild - to - moderate size right - sided pleural effusion . Large pneumothorax component persists , in the right lung remains completely collapsed , likely due to trapped lung . Pigtail catheter in situ in the right hemithorax . Mediastinal shift is decreased compared to priors done on the morning of ___ . Linear atelectasis in the left lingula unchanged . No new left - sided airspace consolidation . No left - sided effusion . Sclerotic change of the thoracic spine .
    OUTPUT:
    
Reaccumulation of a small to moderate sized right - sided pleural effusion . Large amount of pleural gas persists with pigtail catheter in place . Trapped right lung remains collapsed .