Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A small residual right pneumothorax is unchanged without any evidence of tension . A right pigtail catheter is in place . There is no focal consolidation or pleural effusion . The left lung is clear . Cardiomediastinal silhouette is normal . No acute skeletal abnormalities .
    OUTPUT:
    
Unchanged small residual right pneumothorax .