Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate size left pneumothorax is slightly reduced with the apical component seen bordering the lower edge of the fourth rib , previously at the upper margin of the fifth . Small hydropneumothorax at the left base is relatively unchanged . There is no evidence of tension . Inferior to peristent subcutaneous emphysema along the left chest wall is a rectangular opacity most likely wound dressing , but should be confirmed by inspection . The right lung is unremarkable . There are no areas of focal consolidation . The cardiomediastinal silhouette is stable and normal .
    OUTPUT:
    
Slight reduction in moderate left pneumothorax with no evidence of tension .