Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the right chest tube with improvement in right pneumothorax . The lateral component of the pneumothorax is not present , and the apical portion is small if present . The cardiomediastinal and hilar contours are stable . There is no pleural effusion . Lung volumes are lower , which may account for new left basilar atelectasis . Right chest wall subcutaneous air remains .
    OUTPUT:
    
Right apical pneumothorax small if present .