Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One portable upright AP view of the chest . A left pleural tube is in place . Subcutaneous emphysema on the left is decreased compared to prior study . Small left apical pneumothorax . Small left pleural effusion is unchanged . Pneumomediastinum has decreased . No evidence of pneumonia . No pleural effusion on the right . Cardiac , mediastinal , and hilar contours are normal .
    OUTPUT:
    
1 . Small left pleural effusion is unchanged . 2 . Small left apical pneumothorax .