Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate - to - large left pneumothorax with associated atelectasis of the left upper lung zones . A left chest tube is in place . There is a small right pleural effusion . The cardiomediastinal silhouette is unremarkable . There is no focal consolidation . There is subcutaneous emphysema seen at the left lateral chest wall .
    OUTPUT:
    
1 . Moderate - to - large left pneumothorax with associated opacities in the upper lung zones , most likely post - surgical changes . 2 . Small left pleural effusion . These findings were reported to Dr . ___ by Dr . ___ ___ telephone at 3 : 12 p .m . on the day of the exam .