“…The involved lung is nonfunctional, with demonstrable absent perfusion and ventilation and important sequela was always induced. The causes of destroyed lung include bronchiectasis, tuberculosis (TB), lung abscess, necrotic pneumonia, pulmonary infarction, fungal infection, bronchial stenosis, and congenital lung disease, of which the most common causes were bronchiectasis and TB [1,5,6].…”