This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Transplantation, Subject name: Surgery
Indication for lung transplantation is: 
Select and explain. 
A. COPD, B. Alpha 1 antitrypsin deficiency, C. Cystic fibrosis, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. (d) All of the aboveRef: Sabiston 20th Page 1598Indications of lung transplantation* COPD* Pulmonary fibrosis* Primary pulmonary hypertension* Cystic fibrosis* Bronchiectasis