Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior chest x-ray , the right - sided pneumothorax appears to have resolved . The right chest tube is unchanged in position . Again noted is a left subclavian approach catheter that terminates in the mid SVC . There are no pleural effusions . Cardial mediastinal silhouette is stable . Unchanged appearance of surgical ___ and drain overlying the epigastric region .
    OUTPUT:
    
No definite pneumothorax on this CXR .