Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . A tiny left apical pneumothorax is not apparent on this study . Left chest tube remains in place . Minimal left basilar atelectasis is unchanged . The right lung is clear . No abnormal cardiac or mediastinal contours noted . Left flank subcutaneous emphysema is unchanged .
    OUTPUT:
    
No residual left apical pneumothorax .