Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post left lower lobectomy with a left - sided chest tube and mediastinal clips noted . There is a small to moderate left apical pneumothorax . There is no right - sided pneumothorax . A right IJ introduction sheath is noted in the the origin of the SVC . An epidural catheter is in place . There is no focal consolidation or pleural effusion . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Small to moderate left apical pneumothorax .