Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . A left thoracostomy tube has been removed . There is no pneumothorax . Extensive left lower zone opacities remain stable , denoting recent VATS
    OUTPUT:
    
Post removal of a left thoracostomy tube . No pneumothorax . Unchanged left lower zone opacities relating to recent VATS .