Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright frontal view of the chest . There has been placement of a lateral approach left - sided chest tube which terminates overlying the mid portion the left lung . Left lung is re-expanded , however there is a small left apical pneumothorax . There is no pleural effusion . Cardiomediastinal silhouette is within normal limits . There is no acute osseous abnormality .
    OUTPUT:
    
1 . Interval placement of a left - sided chest tube and re-expansion of the left lung . 2 . Small left apical pneumothorax .