Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided chest tube has been removed . The cardiac , mediastinal and hilar contours appear stable . Opacification effacing the right cardiophrenic angle as well as streaky left basilar opacities are unchanged and consistent with minor atelectasis . There is no substantial pleural effusion . A right apical pneumothorax has not increased .
    OUTPUT:
    
Stable tiny right apical pneumothorax .