Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right chest tube is in similar position to the prior study . Again seen is a moderate to large pneumothorax on the right , slightly decreased in size since the prior study . There is extensive subcutaneous gas seen in the right lateral chest wall . There is a new right pleural effusion . Opacities are concerning for pneumonia . The left lung is hyperinflated but clear . Cardiomediastinal silhouette is unchanged . The bones are intact .
    OUTPUT:
    
1 . Decrease of moderate to large right pneumothorax compared to the prior study . 2 . New pleural effusion and opacity at the right base , likely representing infection .