Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . A left - sided chest tube was removed . Mild left - sided subcutaneous emphysema remains . Left apical pneumothorax is small . Bibasilar atelectasis is mild . A left - sided pleural effusion is small . There is a mild amount of fluid in the right minor fissure . Low lung volumes accentuate interstitial markings .
    OUTPUT:
    
Small left apical pneumothorax status post left chest tube removal .