Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . There has been interval placement of a left - sided pigtail chest tube with significant re-expansion of the left lung . There is persistent trace left apical pneumothorax seen . Right lung remains well aerated . Cardiomediastinal silhouette is unremarkable . Bony structures are intact .
    OUTPUT:
    
Interval placement of the left pigtail chest tube with near complete reexpansion of the left lung with only trace persistent left apical pneumothorax .