Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pneumothorax has nearly resolved , with only a very small residual air collection and fluid at the extreme left lung apex . Bilateral upper lobe volume loss is consistent with previous bleb and / or bulla resections . Smoothly marginated pleural opacities along the lateral lower chest bilaterally may reflect small effusions . Cardiomediastinal contours are within normal limits and without change .
    OUTPUT:
    
Near resolution of left pneumothorax . Very small residual left apical gas collection .