Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left pleural drainage catheter has been removed . There is a persistent small left apical pneumothorax in the vicinity of suture chains related to prior blebectomy . There is a trace left pleural effusion . Small volume subcutaneous emphysema in the lower left chest wall is likely related to recent chest tube placement . There is no focal consolidation .
    OUTPUT:
    
Persistent small left apical pneumothorax status post chest tube removal .