Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post chest tube to waterseal now with recurrence of a small right apical pneumothorax . Right pigtail pleural catheter is unchanged in position . The cardiomediastinal silhouette is normal . The hila and pleura are normal . No focal consolidations or pleural effusions are seen .
    OUTPUT:
    
Recurrent right apical pneumothorax .