Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Support Devices : None . Blunting of the right costophrenic angle may reflect pleural scarring . The tiny right apical pneumothorax is no longer seen . Right lung volume loss secondary to middle lobectomy is seen . The lungs are clear . There is no left pleural effusion . The heart size is normal .
    OUTPUT:
    
Right apical pneumothorax is no longer seen .