Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . A right thoracostomy tube is unchanged in position . A moderate right pneumothorax has enlarged since the ___ study . A small left pleural effusion is unchanged . A right paramediastinal mass is again seen . Bronchial stents are present . The heart size remains normal . There is severe osteoarthropathy of the glenohumeral joints .
    OUTPUT:
    
Moderate right pneumothorax has enlarged since the ___ study .