Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , the right chest tube has been removed . There is a new opacity present along the chest tube tract . A small right pneumothorax unchanged . There is no left pneumothorax . There is no pulmonary edema or pleural effusion . The cardiomediastinal silhouette is normal . Mildly displaced right - sided rib fractures are unchanged .
    OUTPUT:
    
Status post removal of the right chest tube . A small right pneumothorax is unchanged .