Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left chest tube , tracheostomy tube , and right PICC line are unchanged . There is a small residual lateral and apical left pneumothorax with a moderate left pleural effusion . The right pleural effusion has improved . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
1 . Small residual left lateral apical pneumothorax with unchanged chest tube position . 2 . Improved right pleural effusion .