Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right thoracostomy tube is unchanged in position . Subcutaneous gas across the right chest and neck has slightly improved since ___ . The cardiac and mediastinal borders remain minimally changed . Lucency about the right cardiophrenic border is unchanged and remains difficult to differntiate between subcutaneous emphysema and pneumothorax . Central pulmonary vascular congestion and mild interstitial edema are stable . A persistent left retrocardiac opacity likely reflects atelectasis .
    OUTPUT:
    
1 . Persistent right cardiophrenic lucency may reflect pneumothorax or overlying subcutaneous emphysema , and remains unchanged since ___ . Lateral right neck and chest wall subcutaneous emphysema appear slightly improved . 2 . Unchanged moderate left basilar atelectasis .